| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$878M | -$28.8M | -3.39% | Dec 31, 2022 | 10-Q | 2023-02-14 |
| Q3 2022 | -$874M | -$50.3M | -6.1% | Sep 30, 2022 | 10-Q | 2022-11-10 |
| Q2 2022 | -$871M | -$68.4M | -8.52% | Jun 30, 2022 | 10-Q | 2022-08-11 |
| Q1 2022 | -$863M | -$71.9M | -9.09% | Mar 31, 2022 | 10-Q | 2023-02-14 |
| Q4 2021 | -$850M | -$61.9M | -7.86% | Dec 31, 2021 | 10-Q | 2022-02-11 |
| Q3 2021 | -$824M | -$47M | -6.04% | Sep 30, 2021 | 10-Q | 2021-11-12 |
| Q2 2021 | -$803M | -$35.7M | -4.65% | Jun 30, 2021 | 10-Q | 2021-08-12 |
| Q1 2021 | -$791M | -$32.4M | -4.27% | Mar 31, 2021 | 10-K | 2022-06-14 |
| Q4 2020 | -$788M | -$45.7M | -6.17% | Dec 31, 2020 | 10-Q | 2021-02-09 |
| Q3 2020 | -$777M | -$49.3M | -6.77% | Sep 30, 2020 | 10-Q | 2020-11-13 |
| Q2 2020 | -$767M | -$53.2M | -7.45% | Jun 30, 2020 | 10-Q | 2020-08-11 |
| Q1 2020 | -$759M | -$72.6M | -10.6% | Mar 31, 2020 | 10-K | 2021-06-09 |
| Q4 2019 | -$742M | -$65M | -9.61% | Dec 31, 2019 | 10-Q | 2020-02-10 |
| Q3 2019 | -$728M | -$85.3M | -13.3% | Sep 30, 2019 | 10-Q | 2019-11-08 |
| Q2 2019 | -$714M | -$105M | -17.3% | Jun 30, 2019 | 10-Q | 2019-08-09 |
| Q1 2019 | -$686M | -$129M | -23.2% | Mar 31, 2019 | 10-K | 2020-06-10 |
| Q4 2018 | -$677M | -$145M | -27.3% | Dec 31, 2018 | 10-Q | 2019-02-07 |
| Q3 2018 | -$643M | -$169M | -35.7% | Sep 30, 2018 | 10-Q | 2018-11-07 |
| Q2 2018 | -$609M | -$204M | -50.5% | Jun 30, 2018 | 10-Q | 2018-08-07 |
| Q1 2018 | -$557M | -$222M | -66.2% | Mar 31, 2018 | 10-K | 2019-06-11 |
| Q4 2017 | -$532M | -$249M | -88.3% | Dec 31, 2017 | 10-Q | 2018-02-09 |
| Q3 2017 | -$474M | -$239M | -102% | Sep 30, 2017 | 10-Q | 2017-11-02 |
| Q2 2017 | -$405M | -$212M | -110% | Jun 30, 2017 | 10-Q | 2017-08-07 |
| Q1 2017 | -$335M | -$181M | -117% | Mar 31, 2017 | 10-K | 2018-06-11 |
| Q4 2016 | -$282M | -$158M | -127% | Dec 31, 2016 | 10-Q | 2017-02-14 |
| Q3 2016 | -$234M | -$173M | -283% | Sep 30, 2016 | 10-Q | 2016-11-07 |
| Q2 2016 | -$192M | -$143M | -292% | Jun 30, 2016 | 10-Q | 2016-08-15 |
| Q1 2016 | -$154M | -$133M | -633% | Mar 31, 2016 | 10-K | 2017-06-13 |
| Q4 2015 | -$125M | Dec 31, 2015 | 10-Q | 2016-02-09 | ||
| Q3 2015 | -$61.2M | Sep 30, 2015 | 10-Q | 2015-11-02 | ||
| Q2 2015 | -$49.1M | Jun 30, 2015 | 10-Q | 2015-08-11 | ||
| Q1 2015 | -$21M | Mar 31, 2015 | 10-K | 2016-06-06 |