| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$337M | -$39.8M | -13.4% | Dec 31, 2022 | 10-K | 2023-03-30 |
| Q3 2022 | -$328M | -$40.7M | -14.2% | Sep 30, 2022 | 10-Q | 2022-11-01 |
| Q2 2022 | -$316M | -$35.9M | -12.8% | Jun 30, 2022 | 10-Q | 2022-08-02 |
| Q1 2022 | -$306M | -$28.5M | -10.3% | Mar 31, 2022 | 10-Q | 2022-05-03 |
| Q4 2021 | -$297M | -$24.7M | -9.05% | Dec 31, 2021 | 10-K | 2023-03-30 |
| Q3 2021 | -$287M | -$17.8M | -6.6% | Sep 30, 2021 | 10-Q | 2021-11-01 |
| Q2 2021 | -$280M | -$13.7M | -5.15% | Jun 30, 2021 | 10-Q | 2021-08-03 |
| Q1 2021 | -$277M | -$17M | -6.51% | Mar 31, 2021 | 10-Q | 2021-05-04 |
| Q4 2020 | -$273M | -$22.6M | -9.04% | Dec 31, 2020 | 10-K | 2022-02-22 |
| Q3 2020 | -$269M | -$26.3M | -10.8% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | -$267M | -$32.4M | -13.8% | Jun 30, 2020 | 10-Q | 2020-08-04 |
| Q1 2020 | -$260M | -$34.9M | -15.5% | Mar 31, 2020 | 10-Q | 2020-05-04 |
| Q4 2019 | -$250M | -$27.4M | -12.3% | Dec 31, 2019 | 10-K | 2021-02-25 |
| Q3 2019 | -$243M | -$38.5M | -18.8% | Sep 30, 2019 | 10-Q | 2019-10-30 |
| Q2 2019 | -$234M | -$39.6M | -20.3% | Jun 30, 2019 | 10-Q | 2019-07-24 |
| Q1 2019 | -$226M | -$40.4M | -21.8% | Mar 31, 2019 | 10-Q | 2019-05-02 |
| Q4 2018 | -$223M | -$45.8M | -25.9% | Dec 31, 2018 | 10-K | 2020-03-26 |
| Q3 2018 | -$204M | -$34.7M | -20.5% | Sep 30, 2018 | 10-Q/A | 2018-11-13 |
| Q2 2018 | -$195M | -$29.9M | -18.1% | Jun 30, 2018 | 10-Q | 2018-08-08 |
| Q1 2018 | -$185M | -$27.2M | -17.2% | Mar 31, 2018 | 10-Q | 2018-05-03 |
| Q4 2017 | -$177M | -$27.3M | -18.2% | Dec 31, 2017 | 10-K | 2019-03-18 |
| Q3 2017 | -$170M | -$85.4M | -101% | Sep 30, 2017 | 10-Q | 2017-10-26 |
| Q2 2017 | -$165M | -$84.2M | -104% | Jun 30, 2017 | 10-Q | 2017-08-01 |
| Q1 2017 | -$158M | -$80M | -103% | Mar 31, 2017 | 10-Q | 2017-05-04 |
| Q4 2016 | -$150M | -$41.2M | -37.9% | Dec 31, 2016 | 10-K | 2018-03-01 |
| Q3 2016 | -$84.4M | -$10.6M | -14.5% | Sep 30, 2016 | 10-Q | 2016-11-10 |
| Q2 2016 | -$80.7M | -$9.21M | -12.9% | Jun 30, 2016 | 10-Q | 2016-08-09 |
| Q1 2016 | -$78M | -$9.18M | -13.3% | Mar 31, 2016 | 10-Q | 2016-05-10 |
| Q4 2015 | -$109M | -$42.5M | -64.4% | Dec 31, 2015 | 10-K | 2017-03-24 |
| Q3 2015 | -$73.7M | -$14M | -23.5% | Sep 30, 2015 | 10-Q | 2015-11-12 |
| Q2 2015 | -$71.4M | -$14.9M | -26.4% | Jun 30, 2015 | 10-Q | 2015-08-11 |
| Q1 2015 | -$68.8M | -$16M | -30.4% | Mar 31, 2015 | 10-Q | 2015-05-08 |
| Q4 2014 | -$66M | -$16.6M | -33.5% | Dec 31, 2014 | 10-K | 2016-03-22 |
| Q3 2014 | -$59.7M | -$11.6M | -24.1% | Sep 30, 2014 | 10-Q | 2014-11-12 |
| Q2 2014 | -$56.5M | -$11M | -24.1% | Jun 30, 2014 | 10-Q | 2014-08-08 |
| Q1 2014 | -$52.8M | -$8.62M | -19.5% | Mar 31, 2014 | 10-Q | 2014-05-09 |
| Q4 2013 | -$49.5M | -$6.56M | -15.3% | Dec 31, 2013 | 10-K | 2015-03-24 |
| Q3 2013 | -$48.1M | -$6.81M | -16.5% | Sep 30, 2013 | 10-Q | 2013-11-08 |
| Q2 2013 | -$45.5M | -$5.38M | -13.4% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | -$44.2M | -$4.65M | -11.8% | Mar 31, 2013 | 10-Q | 2013-05-07 |
| Q4 2012 | -$42.9M | -$2.75M | -6.85% | Dec 31, 2012 | 10-K | 2014-03-18 |
| Q3 2012 | -$41.3M | -$5.07M | -14% | Sep 30, 2012 | 10-Q | 2012-11-09 |
| Q2 2012 | -$40.2M | -$2.84M | -7.61% | Jun 30, 2012 | 10-Q | 2012-08-13 |
| Q1 2012 | -$39.5M | Mar 31, 2012 | 10-Q | 2012-05-14 | ||
| Q4 2011 | -$40.2M | -$3.11M | -8.41% | Dec 31, 2011 | 10-K | 2013-03-15 |
| Q3 2011 | -$36.2M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | -$37.3M | Jun 30, 2011 | 10-Q | 2011-08-12 | ||
| Q4 2010 | -$37M | Dec 31, 2010 | 10-K | 2012-03-16 |