Entity Type
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BLACK HILLS CORP /SD/ SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001130464.
Total Filings
3,069
Latest Filing
02 Apr 2026
Industry
Electric Services
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- Symbol
- BKH on NYSE
- Business address
- 7001 Mt Rushmore Rd, Po Box 1400, Rapid City, SD, 57709
- State of incorporation
- SD
- Fiscal year end
- 31 December
- Former names
- BLACK HILLS HOLDING CORP (to 26 Dec 2000)
Quick Takeaways
- BLACK HILLS CORP /SD/ is an SEC filer tracked under CIK 0001130464.
- 3,069 filings are listed on this profile.
- Common form coverage includes 8-K, SCHEDULE 13G/A, ARS and more.
What Changed
- Latest filing: 8-K filed on 02 Apr 2026.
- Report period: 02 Apr 2026.
Why This Matters
- You can quote filing dates and form types directly from the SEC record on this page.
- Use this profile before deeper ownership or insider analysis to confirm filing history context.
Official SEC Source
Filer Overview
BLACK HILLS CORP /SD/ has filed 3,069 SEC EDGAR filings since 22 Dec 2000. Common forms include 8-K, SCHEDULE 13G/A, ARS, DEF 14A and more.
Latest Filings
Recent SEC filings for BLACK HILLS CORP /SD/ with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Apr 2026 | 02 Apr 2026 | 001-31303 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 26 Mar 2026 | 005-80081 | ||
| ARS | Open ARS document | View SEC filing for ARS | ARS | 18 Mar 2026 | 31 Dec 2025 | 001-31303 |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 18 Mar 2026 | 29 Apr 2026 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 19 Feb 2026 | 19 Feb 2026 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2026 | 01 Dec 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2026 | 12 Feb 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2026 | 12 Feb 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2026 | 12 Feb 2026 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 11 Feb 2026 | 31 Dec 2025 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2026 | 06 Feb 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2026 | 06 Feb 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2026 | 06 Feb 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2026 | 06 Feb 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2026 | 06 Feb 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2026 | 06 Feb 2026 | |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 06 Feb 2026 | 333-293105 | ||
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2026 | 31 Dec 2024 | |
| 424B3 | Open 424B3 document | View SEC filing for 424B3 | 424B3 | 06 Feb 2026 | 333-293105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 06 Feb 2026 | ||
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 05 Feb 2026 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 05 Feb 2026 | 31 Dec 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Feb 2026 | 04 Feb 2026 | 001-31303 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 30 Jan 2026 | ||
| S-4 | Open S-4 document | Open XBRL data | View SEC filing for S-4 | S-4 | 30 Jan 2026 | 333-293105 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2025 | 10 Nov 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Nov 2025 | 07 Nov 2025 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 10 Nov 2025 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2025 | 30 Sep 2025 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 Nov 2025 | 05 Nov 2025 | 001-31303 |
| DRS | Open DRS document | View SEC filing for DRS | 30 Oct 2025 | 377-08629 | ||
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 17 Oct 2025 | 13 Oct 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Oct 2025 | 02 Oct 2025 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 29 Sep 2025 | 25 Sep 2025 | 001-31303 |
| 424B2 | Open 424B2 document | Open XBRL data | View SEC filing for 424B2 | 424B2 | 26 Sep 2025 | 333-272739 | |
| FWP | Open FWP document | View SEC filing for FWP | FWP | 25 Sep 2025 | 333-272739 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 25 Sep 2025 | 333-272739 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 Sep 2025 | 15 Sep 2025 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Aug 2025 | 01 Aug 2025 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 20 Aug 2025 | 21 Jul 2025 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Aug 2025 | 001-31303 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Aug 2025 | 18 Aug 2025 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Aug 2025 | 19 Aug 2025 | 001-31303 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 31 Jul 2025 | 30 Jun 2025 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 30 Jul 2025 | 30 Jul 2025 | 001-31303 |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 23 Jun 2025 | 31 Dec 2024 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 May 2025 | 08 May 2025 | 001-31303 |
| 424B5 | Open 424B5 document | Open XBRL data | View SEC filing for 424B5 | 424B5 | 08 May 2025 | 333-272739 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2025 | 31 Mar 2025 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 08 May 2025 | 07 May 2025 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 30 Apr 2025 | 005-80081 | ||
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 28 Apr 2025 | 23 Apr 2025 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 28 Apr 2025 | 23 Apr 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 25 Apr 2025 | 23 Apr 2025 | 001-31303 |
| ARS | Open ARS document | View SEC filing for ARS | ARS | 14 Mar 2025 | 31 Dec 2024 | 001-31303 |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 14 Mar 2025 | 12 Mar 2025 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2025 | 18 Feb 2025 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 18 Feb 2025 | 31 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2025 | 31 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2025 | 11 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2025 | 11 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2025 | 11 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2025 | 11 Feb 2025 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 12 Feb 2025 | 31 Dec 2024 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2025 | 07 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2025 | 07 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2025 | 07 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2025 | 07 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2025 | 07 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2025 | 07 Feb 2025 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 10 Feb 2025 | 31 Dec 2024 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 10 Feb 2025 | 31 Dec 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 07 Feb 2025 | 31 Jan 2025 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 Feb 2025 | 05 Feb 2025 | 001-31303 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 05 Feb 2025 | 005-80081 | ||
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 19 Nov 2024 | 13 Nov 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2024 | 08 Nov 2024 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 07 Nov 2024 | 07 Nov 2024 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Nov 2024 | 30 Sep 2024 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Nov 2024 | 06 Nov 2024 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 Nov 2024 | 28 Oct 2024 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Aug 2024 | 09 Aug 2024 | 001-31303 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 01 Aug 2024 | 30 Jun 2024 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 31 Jul 2024 | 31 Jul 2024 | 001-31303 |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 20 Jun 2024 | 31 Dec 2023 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 Jun 2024 | 31 May 2024 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2024 | 30 May 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 30 May 2024 | 001-31303 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 May 2024 | 13 May 2024 | 001-31303 |
| 424B2 | Open 424B2 document | View SEC filing for 424B2 | 424B2 | 14 May 2024 | 333-272739 | |
| FWP | Open FWP document | View SEC filing for FWP | FWP | 13 May 2024 | 333-272739 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 13 May 2024 | 333-272739 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 May 2024 | 31 Mar 2024 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 08 May 2024 | 08 May 2024 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 30 Apr 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 26 Apr 2024 | 23 Apr 2024 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 25 Apr 2024 | 24 Apr 2024 | 001-31303 |
| ARS | Open ARS document | View SEC filing for ARS | ARS | 15 Mar 2024 | 31 Dec 2023 | 001-31303 |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 15 Mar 2024 | 15 Mar 2024 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2024 | 05 Mar 2024 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 14 Feb 2024 | 31 Dec 2023 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2024 | 10 Jan 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2024 | 09 Feb 2024 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 13 Feb 2024 | 005-80081 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Feb 2024 | 31 Dec 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 07 Feb 2024 | 07 Feb 2024 | 001-31303 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 25 Jan 2024 | 005-80081 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 22 Jan 2024 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Dec 2023 | 05 Aug 2023 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Nov 2023 | 30 Sep 2023 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 Nov 2023 | 01 Nov 2023 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Sep 2023 | 15 Sep 2023 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 11 Sep 2023 | 06 Sep 2023 | 001-31303 |
| 424B2 | Open 424B2 document | View SEC filing for 424B2 | 424B2 | 07 Sep 2023 | 333-272739 | |
| FWP | Open FWP document | View SEC filing for FWP | FWP | 06 Sep 2023 | 333-272739 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 06 Sep 2023 | 333-272739 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Aug 2023 | 30 Jun 2023 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Aug 2023 | 02 Aug 2023 | 001-31303 |
| POSASR | Open POSASR document | View SEC filing for POSASR | POSASR | 10 Jul 2023 | 333-240319 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 26 Jun 2023 | 15 Jun 2023 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 26 Jun 2023 | 15 Jun 2023 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 22 Jun 2023 | 31 Dec 2022 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 20 Jun 2023 | 16 Jun 2023 | 001-31303 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 16 Jun 2023 | 333-272739 | |
| S-3ASR | Open S-3ASR document | View SEC filing for S-3ASR | S-3ASR | 16 Jun 2023 | 333-272739 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 Jun 2023 | 14 Jun 2023 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 May 2023 | 08 May 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 08 May 2023 | 001-31303 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 May 2023 | 31 Mar 2023 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 May 2023 | 24 Apr 2023 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2023 | 30 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2023 | 30 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2023 | 30 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2023 | 30 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2023 | 30 Apr 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Apr 2023 | 25 Apr 2023 | 001-31303 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 06 Apr 2023 | 01 Apr 2023 | |
| ARS | Open ARS document | View SEC filing for ARS | ARS | 15 Mar 2023 | 31 Dec 2022 | 001-31303 |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 15 Mar 2023 | 001-31303 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 07 Mar 2023 | 02 Mar 2023 | 001-31303 |
| 424B2 | Open 424B2 document | View SEC filing for 424B2 | 424B2 | 03 Mar 2023 | 333-240320 | |
| FWP | Open FWP document | View SEC filing for FWP | FWP | 02 Mar 2023 | 333-240320 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 02 Mar 2023 | 333-240320 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2023 | 10 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2023 | 10 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2023 | 10 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2023 | 10 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2023 | 11 Feb 2023 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 14 Feb 2023 | 31 Dec 2022 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2023 | 09 Feb 2023 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2023 | 005-80081 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Feb 2023 | 005-80081 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 07 Feb 2023 | 07 Feb 2023 | 001-31303 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 01 Feb 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2023 | 31 Dec 2022 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2023 | 31 Dec 2022 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2023 | 005-80081 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 20 Jan 2023 | 005-80081 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Nov 2022 | 30 Sep 2022 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Nov 2022 | 02 Nov 2022 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Oct 2022 | 27 Oct 2022 | 001-31303 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Aug 2022 | 30 Jun 2022 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 Aug 2022 | 03 Aug 2022 | 001-31303 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Jul 2022 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jun 2022 | 27 Jun 2022 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 23 Jun 2022 | 31 Dec 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2022 | 01 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2022 | 20 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2022 | 06 May 2022 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 05 May 2022 | 333-264703 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2022 | 31 Mar 2022 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 May 2022 | 04 May 2022 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2022 | 30 Apr 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 28 Apr 2022 | 26 Apr 2022 | 001-31303 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 17 Mar 2022 | 26 Apr 2022 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 15 Feb 2022 | 31 Dec 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2022 | 10 Feb 2022 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2022 | 005-80081 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 09 Feb 2022 | 09 Feb 2022 | 001-31303 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2022 | 005-80081 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 28 Jan 2022 | 005-80081 | ||
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 12 Jan 2022 | 31 Dec 2021 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 12 Jan 2022 | 31 Dec 2021 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 12 Jan 2022 | 31 Dec 2021 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 12 Jan 2022 | 31 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2021 | 03 Nov 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Nov 2021 | 30 Sep 2021 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Nov 2021 | 02 Nov 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Oct 2021 | 06 Oct 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 17 Sep 2021 | 15 Sep 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 31 Aug 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Aug 2021 | 23 Aug 2021 | 001-31303 |
| 424B2 | Open 424B2 document | View SEC filing for 424B2 | 424B2 | 24 Aug 2021 | 333-240320 | |
| FWP | Open FWP document | View SEC filing for FWP | FWP | 23 Aug 2021 | 333-240320 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 23 Aug 2021 | 333-240320 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2021 | 04 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2021 | 04 Aug 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Aug 2021 | 30 Jun 2021 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 Aug 2021 | 03 Aug 2021 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 19 Jul 2021 | 19 Jul 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Jul 2021 | 16 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Jul 2021 | 14 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jul 2021 | 07 Jul 2021 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 22 Jun 2021 | 31 Dec 2020 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2021 | 06 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2021 | 05 May 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2021 | 31 Mar 2021 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 May 2021 | 04 May 2021 | 001-31303 |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | 8-K/A | 29 Apr 2021 | 16 Sep 2020 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 29 Apr 2021 | 27 Apr 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Apr 2021 | 07 Apr 2021 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 18 Mar 2021 | 27 Apr 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 26 Feb 2021 | 31 Dec 2020 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 25 Feb 2021 | 24 Feb 2021 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 11 Feb 2021 | 005-80081 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2021 | 005-80081 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2021 | 05 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2021 | 05 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2021 | 05 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2021 | 05 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2021 | 05 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2021 | 05 Feb 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 09 Feb 2021 | 09 Feb 2021 | 001-31303 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 08 Feb 2021 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 08 Feb 2021 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 08 Feb 2021 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 08 Feb 2021 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 08 Feb 2021 | 31 Dec 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2021 | 03 Feb 2021 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 04 Feb 2021 | 005-80081 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2021 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jan 2021 | 06 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2020 | 01 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2020 | 04 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2020 | 04 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2020 | 04 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2020 | 04 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2020 | 04 Nov 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Nov 2020 | 30 Sep 2020 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Nov 2020 | 02 Nov 2020 | 001-31303 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 29 Oct 2020 | 26 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Oct 2020 | 07 Oct 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 09 Oct 2020 | 01 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Oct 2020 | 07 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Oct 2020 | 07 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Oct 2020 | 07 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Oct 2020 | 07 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Oct 2020 | 07 Oct 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 09 Oct 2020 | 01 Oct 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 18 Sep 2020 | 16 Sep 2020 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Sep 2020 | 15 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Sep 2020 | 11 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2020 | 06 Aug 2020 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 03 Sep 2020 | 06 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2020 | 31 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Aug 2020 | 27 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Aug 2020 | 27 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Aug 2020 | 06 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Aug 2020 | 05 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Aug 2020 | 05 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Aug 2020 | 05 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Aug 2020 | 05 Aug 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Aug 2020 | 30 Jun 2020 | 001-31303 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 04 Aug 2020 | 333-240320 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Aug 2020 | 04 Aug 2020 | 001-31303 |
| S-3ASR | Open S-3ASR document | View SEC filing for S-3ASR | UNIVERSAL SHELF REGISTRATION STATEMENT | 04 Aug 2020 | 333-240320 | |
| S-3ASR | Open S-3ASR document | View SEC filing for S-3ASR | S-3ASR | 04 Aug 2020 | 333-240319 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Aug 2020 | 03 Aug 2020 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 01 Jul 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 01 Jul 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 01 Jul 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 01 Jul 2020 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 22 Jun 2020 | 31 Dec 2019 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 17 Jun 2020 | 12 Jun 2020 | 001-31303 |
| 424B2 | Open 424B2 document | View SEC filing for 424B2 | 424B2 | 16 Jun 2020 | 333-219705 | |
| FWP | Open FWP document | View SEC filing for FWP | FWP | 12 Jun 2020 | 333-219705 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 12 Jun 2020 | 333-219705 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 May 2020 | 12 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2020 | 06 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2020 | 06 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2020 | 06 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2020 | 06 May 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2020 | 31 Mar 2020 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 May 2020 | 04 May 2020 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 May 2020 | 28 Apr 2020 | 001-31303 |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | 8-K | 01 May 2020 | 29 Oct 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Apr 2020 | 21 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Apr 2020 | 15 Apr 2020 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 15 Apr 2020 | 001-31303 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Mar 2020 | 25 Mar 2020 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | BHC 2020 PROXY | 13 Mar 2020 | 28 Apr 2020 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 13 Mar 2020 | 09 Mar 2020 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Mar 2020 | 12 Mar 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 11 Mar 2020 | 11 Mar 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 11 Mar 2020 | 11 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K (CLOSING OF COMMON STOCK OFFERING) | 27 Feb 2020 | 24 Feb 2020 | 001-31303 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 25 Feb 2020 | 333-219705 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2020 | 18 Feb 2020 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 14 Feb 2020 | 31 Dec 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2020 | 11 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2020 | 11 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2020 | 11 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2020 | 11 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2020 | 11 Feb 2020 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 13 Feb 2020 | 005-80081 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-80081 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2020 | 10 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2020 | 10 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2020 | 10 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2020 | 10 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2020 | 10 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Feb 2020 | 06 Feb 2020 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2020 | 05 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2020 | 03 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2020 | 03 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2020 | 03 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2020 | 03 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2020 | 03 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2020 | 03 Feb 2020 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Feb 2020 | 005-80081 | ||
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 29 Jan 2020 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 29 Jan 2020 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 29 Jan 2020 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 29 Jan 2020 | 31 Dec 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 29 Jan 2020 | 31 Dec 2019 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SEC SCHEDULE 13G | 28 Jan 2020 | 005-80081 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jan 2020 | 21 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Dec 2019 | 18 Dec 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2019 | 29 Nov 2019 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 25 Nov 2019 | 01 Nov 2019 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 25 Nov 2019 | 01 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Nov 2019 | 19 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2019 | 06 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2019 | 06 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2019 | 06 Nov 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Nov 2019 | 30 Sep 2019 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Nov 2019 | 04 Nov 2019 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Nov 2019 | 29 Oct 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Oct 2019 | 22 Oct 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2019 | 02 Oct 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2019 | 02 Oct 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2019 | 02 Oct 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Oct 2019 | 03 Oct 2019 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 01 Oct 2019 | 26 Sep 2019 | 001-31303 |
| 424B2 | Open 424B2 document | View SEC filing for 424B2 | FINAL PROSPECTUS SUPPLEMENT DATED SEPTEMBER 26, 2019 | 30 Sep 2019 | 333-219705 | |
| FWP | Open FWP document | View SEC filing for FWP | PRICING TERM SHEET - 3.050% NOTES DUE 2029 & 3.875% NOTES DUE 2049 | 26 Sep 2019 | 333-219705 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | 424B5 | 26 Sep 2019 | 333-219705 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Sep 2019 | 25 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2019 | 20 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Aug 2019 | 07 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Aug 2019 | 07 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Aug 2019 | 07 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Aug 2019 | 08 Aug 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Aug 2019 | 30 Jun 2019 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 Aug 2019 | 05 Aug 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jul 2019 | 24 Jul 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2019 | 03 Jul 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2019 | 03 Jul 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2019 | 03 Jul 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jun 2019 | 25 Jun 2019 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 21 Jun 2019 | 31 Dec 2018 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 18 Jun 2019 | 17 Jun 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jun 2019 | 06 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2019 | 31 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 21 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2019 | 03 May 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K ANNUAL MEETING 043019 | 03 May 2019 | 30 Apr 2019 | 001-31303 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 May 2019 | 31 Mar 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 May 2019 | 02 May 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Apr 2019 | 24 Apr 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2019 | 03 Apr 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2019 | 03 Apr 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2019 | 03 Apr 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Mar 2019 | 19 Mar 2019 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | BHC PROXY | 15 Mar 2019 | 31 Dec 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Mar 2019 | 08 Mar 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Mar 2019 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 19 Feb 2019 | 31 Dec 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2019 | 13 Feb 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | EMERY TRADING PLAN | 15 Feb 2019 | 14 Feb 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2019 | 11 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2019 | 11 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2019 | 11 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2019 | 11 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2019 | 11 Feb 2019 | |
| 144 | Open 144 document | View SEC filing for 144 | EMERY FORM 144 | 13 Feb 2019 | 001-31303 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | BLACK HILLS CORPORATION | 13 Feb 2019 | 005-80081 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2019 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2019 | 04 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2019 | 04 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2019 | 04 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2019 | 04 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2019 | 04 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2019 | 04 Feb 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Feb 2019 | 07 Feb 2019 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 03 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 03 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 03 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 03 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 03 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 03 Feb 2019 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2019 | 31 Dec 2018 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2019 | 31 Dec 2018 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2019 | 31 Dec 2018 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2019 | 31 Dec 2018 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 31 Jan 2019 | 31 Dec 2018 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 24 Jan 2019 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Nov 2018 | 07 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Nov 2018 | 07 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Nov 2018 | 07 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Nov 2018 | 07 Nov 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2018 | 30 Sep 2018 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 Nov 2018 | 05 Nov 2018 | 001-31303 |
| 25-NSE | Open 25-NSE document | View SEC filing for 25-NSE | 01 Nov 2018 | 001-31303 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Nov 2018 | 31 Oct 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2018 | 03 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2018 | 03 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2018 | 03 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2018 | 03 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Aug 2018 | 14 Aug 2018 | 001-31303 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | FINAL PROSPECTUS SUPPLEMENT-4.350% NOTES DUE 2033 | 16 Aug 2018 | 333-219705 | |
| FWP | Open FWP document | View SEC filing for FWP | FINAL TERM SHEET - 4.350% NOTES DUE 2033 | 15 Aug 2018 | 333-219705 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | PRELIMINARY PROSPECTUS SUPPLEMENT-SENIOR NOTES | 13 Aug 2018 | 333-219705 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2018 | 30 Jun 2018 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Aug 2018 | 06 Aug 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2018 | 01 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2018 | 01 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2018 | 01 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2018 | 01 Aug 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Jul 2018 | 30 Jul 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jul 2018 | 05 Jul 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jul 2018 | 05 Jul 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jul 2018 | 05 Jul 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jul 2018 | 05 Jul 2018 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 26 Jun 2018 | 31 Dec 2017 | 001-31303 |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 26 Jun 2018 | 31 Dec 2017 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | MASSMAN RESIGNATION | 21 Jun 2018 | 19 Jun 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 May 2018 | 31 Mar 2018 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 May 2018 | 03 May 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2018 | 02 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2018 | 02 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2018 | 02 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2018 | 02 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2018 | 02 May 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8K ANNUAL MEETING 2018 | 27 Apr 2018 | 24 Apr 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2018 | 04 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2018 | 04 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2018 | 04 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2018 | 04 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2018 | 04 Apr 2018 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 15 Mar 2018 | 02 Feb 2018 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 15 Mar 2018 | 02 Feb 2018 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 15 Mar 2018 | 02 Feb 2018 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 15 Mar 2018 | 02 Feb 2018 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 15 Mar 2018 | 02 Feb 2018 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | BHC 2018 PROXY | 15 Mar 2018 | 15 Mar 2018 | 001-31303 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 14 Mar 2018 | 02 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Mar 2018 | 09 Mar 2018 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 13 Mar 2018 | 31 Dec 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 19 Dec 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 26 Feb 2018 | 31 Dec 2017 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Feb 2018 | 23 Feb 2018 | 001-31303 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | BLACK HILLS CORPORATION | 14 Feb 2018 | 005-80081 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Feb 2018 | 005-80081 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Feb 2018 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2018 | 02 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2018 | 02 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2018 | 02 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2018 | 02 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2018 | 02 Feb 2018 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2018 | 31 Dec 2017 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2018 | 31 Dec 2017 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2018 | 31 Dec 2017 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 06 Feb 2018 | 31 Dec 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | BHC 8K AMENDED ARTICLES 013018 | 05 Feb 2018 | 30 Jan 2018 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Feb 2018 | 01 Feb 2018 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2018 | 03 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2018 | 03 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2018 | 03 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2018 | 03 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2018 | 03 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2018 | 03 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 18 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2017 | 30 Sep 2017 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Nov 2017 | 02 Nov 2017 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2017 | 04 Oct 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2017 | 04 Oct 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2017 | 04 Oct 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2017 | 04 Oct 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2017 | 04 Oct 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2017 | 04 Oct 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Sep 2017 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K (RENEWAL OF AT-THE-MARKET OFFERING PROGRAM) | 04 Aug 2017 | 04 Aug 2017 | 001-31303 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | PROSPECTUS SUPPLEMENT DATED AUGUST 4, 2017 (ATM EQUITY OFFERING PROGRAM) | 04 Aug 2017 | 333-219705 | |
| S-3ASR | Open S-3ASR document | View SEC filing for S-3ASR | S-3ASR UNIVERSAL SHELF REGISTRATION STATEMENT | 04 Aug 2017 | 333-219705 | |
| S-3ASR | Open S-3ASR document | View SEC filing for S-3ASR | S-3ASR | 04 Aug 2017 | 333-219704 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Aug 2017 | 30 Jun 2017 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 02 Aug 2017 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 Aug 2017 | 03 Aug 2017 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 02 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 02 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 02 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 02 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 02 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jul 2017 | 05 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jul 2017 | 05 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jul 2017 | 05 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jul 2017 | 05 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jul 2017 | 05 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jul 2017 | 05 Jul 2017 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 29 Jun 2017 | 31 Dec 2016 | 001-31303 |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 29 Jun 2017 | 31 Dec 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2017 | 03 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2017 | 03 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2017 | 03 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2017 | 03 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2017 | 03 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2017 | 03 May 2017 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | BHC SOURCEGAS 401K PLANS 050417 | 05 May 2017 | 333-217679 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2017 | 31 Mar 2017 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 May 2017 | 03 May 2017 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Apr 2017 | 28 Apr 2017 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Apr 2017 | 05 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Apr 2017 | 05 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Apr 2017 | 05 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Apr 2017 | 05 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Apr 2017 | 05 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Apr 2017 | 05 Apr 2017 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | BHC 2017 PROXY | 16 Mar 2017 | 31 Dec 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2017 | 28 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Feb 2017 | 24 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Feb 2017 | 24 Feb 2017 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 27 Feb 2017 | 31 Dec 2016 | 001-31303 |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2017 | 31 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 31 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2017 | 31 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2017 | 31 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2017 | 08 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2017 | 005-80081 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | BLACK HILLS CORPORATION | 09 Feb 2017 | 005-80081 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 03 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 03 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 03 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 03 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 03 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 03 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 03 Feb 2017 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 07 Feb 2017 | 01 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 01 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 01 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 01 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 01 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 01 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Feb 2017 | 01 Feb 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Feb 2017 | 01 Feb 2017 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | OFFICER CHANGE 013017 8-K | 31 Jan 2017 | 30 Jan 2017 | 001-31303 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Jan 2017 | 005-80081 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 06 Jan 2017 | 01 Jan 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K PECHOTA 121516 | 21 Dec 2016 | 21 Dec 2016 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 121416 NEW DIRECTOR | 15 Dec 2016 | 14 Dec 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K CIC AGREEMENT 111516 | 16 Nov 2016 | 15 Nov 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2016 | 02 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2016 | 02 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2016 | 02 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2016 | 02 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2016 | 02 Nov 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Nov 2016 | 30 Sep 2016 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Nov 2016 | 02 Nov 2016 | 001-31303 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 14 Oct 2016 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Oct 2016 | 05 Oct 2016 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 07 Oct 2016 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 23 Sep 2016 | |||
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 07 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Aug 2016 | 19 Aug 2016 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 16 Aug 2016 | 10 Aug 2016 | 001-31303 |
| 424B2 | Open 424B2 document | View SEC filing for 424B2 | FINAL PROSPECTUS SUPPLEMENT DATED AUGUST 10, 2016 (SENIOR UNSECURED NOTES) | 11 Aug 2016 | 333-197895 | |
| FWP | Open FWP document | View SEC filing for FWP | FWP | 10 Aug 2016 | 333-197895 | |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | PRELIMINARY PROSPECTUS SUPPLEMENT DATED AUGUST 10, 2016 (SENIOR UNSECURED NOTES) | 10 Aug 2016 | 333-197895 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Aug 2016 | 09 Aug 2016 | 001-31303 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Aug 2016 | 30 Jun 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2016 | 03 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2016 | 03 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2016 | 03 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2016 | 03 Aug 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Aug 2016 | 03 Aug 2016 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Aug 2016 | 02 Aug 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jul 2016 | 06 Jul 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jul 2016 | 06 Jul 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jul 2016 | 06 Jul 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jul 2016 | 06 Jul 2016 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 28 Jun 2016 | 31 Dec 2015 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 May 2016 | 11 May 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 10 May 2016 | 31 Mar 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2016 | 04 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2016 | 04 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2016 | 04 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 May 2016 | 04 May 2016 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 May 2016 | 03 May 2016 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K 042616 ANNUAL MEETING | 28 Apr 2016 | 26 Apr 2016 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | OFFICER CHANGE APRIL 25 2016 | 26 Apr 2016 | 25 Apr 2016 | 001-31303 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8K COIPP CLOSING 04142016 | 14 Apr 2016 | 14 Apr 2016 | 001-31303 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 4-8-16 ANALYST MEETINGS | 08 Apr 2016 | 08 Apr 2016 | 001-31303 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Apr 2016 | 06 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Apr 2016 | 06 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Apr 2016 | 06 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Apr 2016 | 06 Apr 2016 |
About this filer
BLACK HILLS CORP /SD/ files with the SEC under CIK 0001130464. This page aggregates EDGAR filings and related ownership activity.
Industry: Electric Services.
FAQ
- What is a CIK?
- A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
- Why are some filings missing?
- New filings appear as the SEC updates EDGAR, and older records can vary by availability.
- How often is this page updated?
- Updates follow new EDGAR submissions and periodic data refreshes.