| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$513M | -$21.3M | -4.33% | Dec 31, 2022 | 10-K | 2023-03-31 |
| Q3 2022 | -$506M | -$83.6M | -19.8% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | -$496M | -$84.9M | -20.7% | Jun 30, 2022 | 10-Q | 2022-08-16 |
| Q1 2022 | -$505M | -$109M | -27.4% | Mar 31, 2022 | 10-Q | 2022-05-10 |
| Q4 2021 | -$491M | -$115M | -30.6% | Dec 31, 2021 | 10-K | 2023-03-31 |
| Q3 2021 | -$422M | -$68.4M | -19.4% | Sep 30, 2021 | 10-Q | 2021-11-09 |
| Q2 2021 | -$411M | -$80M | -24.2% | Jun 30, 2021 | 10-Q | 2021-08-05 |
| Q1 2021 | -$397M | -$86.1M | -27.7% | Mar 31, 2021 | 10-Q | 2021-05-06 |
| Q4 2020 | -$376M | -$90.1M | -31.5% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | -$354M | -$89.3M | -33.8% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | -$331M | -$86.9M | -35.6% | Jun 30, 2020 | 10-Q | 2020-08-10 |
| Q1 2020 | -$311M | -$90.6M | -41.2% | Mar 31, 2020 | 10-Q | 2020-05-07 |
| Q4 2019 | -$286M | -$89.9M | -45.8% | Dec 31, 2019 | 10-K | 2021-03-16 |
| Q3 2019 | -$264M | -$87.7M | -49.6% | Sep 30, 2019 | 10-Q | 2019-11-12 |
| Q2 2019 | -$244M | -$86.3M | -54.7% | Jun 30, 2019 | 10-Q | 2019-08-08 |
| Q1 2019 | -$220M | -$65.2M | -42.1% | Mar 31, 2019 | 10-Q | 2019-05-09 |
| Q4 2018 | -$196M | -$45.8M | -30.5% | Dec 31, 2018 | 10-K | 2020-03-11 |
| Q3 2018 | -$177M | -$37.3M | -26.8% | Sep 30, 2018 | 10-Q | 2018-11-07 |
| Q2 2018 | -$158M | -$24.5M | -18.4% | Jun 30, 2018 | 10-Q | 2018-08-07 |
| Q1 2018 | -$155M | -$26.7M | -20.8% | Mar 31, 2018 | 10-Q | 2018-05-10 |
| Q4 2017 | -$150M | -$27.8M | -22.7% | Dec 31, 2017 | 10-K | 2019-03-07 |
| Q3 2017 | -$139M | -$26.4M | -23.3% | Sep 30, 2017 | 10-Q | 2017-11-02 |
| Q2 2017 | -$133M | -$28.8M | -27.6% | Jun 30, 2017 | 10-Q | 2017-08-08 |
| Q1 2017 | -$128M | -$34M | -36.2% | Mar 31, 2017 | 10-Q | 2017-05-09 |
| Q4 2016 | -$123M | -$38M | -45% | Dec 31, 2016 | 10-K | 2018-03-08 |
| Q3 2016 | -$113M | -$36.6M | -47.8% | Sep 30, 2016 | 10-Q | 2016-11-09 |
| Q2 2016 | -$104M | -$36.9M | -54.7% | Jun 30, 2016 | 10-Q | 2016-08-09 |
| Q1 2016 | -$94.1M | -$34.4M | -57.6% | Mar 31, 2016 | 10-Q | 2016-05-10 |
| Q4 2015 | -$84.5M | -$32.6M | -63% | Dec 31, 2015 | 10-K | 2017-03-16 |
| Q3 2015 | -$76.4M | -$31.4M | -69.8% | Sep 30, 2015 | 10-Q | 2015-11-09 |
| Q2 2015 | -$67.5M | Jun 30, 2015 | 10-Q | 2015-08-10 | ||
| Q1 2015 | -$59.7M | Mar 31, 2015 | 10-Q | 2015-05-11 | ||
| Q4 2014 | -$51.9M | -$21.7M | -72% | Dec 31, 2014 | 10-K | 2016-03-15 |
| Q3 2014 | -$45M | Sep 30, 2014 | 10-Q | 2014-11-14 | ||
| Q4 2013 | -$30.1M | Dec 31, 2013 | 10-K | 2015-03-27 |