| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$143M | -$2.72M | -1.94% | Dec 31, 2022 | 10-K | 2023-04-14 |
| Q3 2022 | -$142M | -$2.79M | -2.01% | Sep 30, 2022 | 10-Q | 2022-11-09 |
| Q2 2022 | -$141M | -$2.9M | -2.09% | Jun 30, 2022 | 10-Q | 2022-08-22 |
| Q1 2022 | -$141M | -$3.32M | -2.42% | Mar 31, 2022 | 10-Q | 2022-05-23 |
| Q4 2021 | -$140M | -$3.29M | -2.41% | Dec 31, 2021 | 10-K | 2023-04-14 |
| Q3 2021 | -$139M | -$3.24M | -2.38% | Sep 30, 2021 | 10-Q | 2021-11-09 |
| Q2 2021 | -$138M | -$3.72M | -2.76% | Jun 30, 2021 | 10-Q | 2021-08-12 |
| Q1 2021 | -$137M | -$3.29M | -2.46% | Mar 31, 2021 | 10-Q | 2021-07-16 |
| Q4 2020 | -$137M | -$2.89M | -2.16% | Dec 31, 2020 | 10-K/A | 2022-07-08 |
| Q3 2020 | -$136M | -$2.98M | -2.24% | Sep 30, 2020 | 10-Q | 2021-07-16 |
| Q2 2020 | -$135M | -$3.47M | -2.64% | Jun 30, 2020 | 10-Q | 2021-07-16 |
| Q1 2020 | -$134M | -$3.74M | -2.87% | Mar 31, 2020 | 10-Q | 2021-07-16 |
| Q4 2019 | -$134M | -$3.84M | -2.96% | Dec 31, 2019 | 10-K | 2021-07-16 |
| Q3 2019 | -$133M | -$3.6M | -2.79% | Sep 30, 2019 | 10-Q | 2019-11-06 |
| Q2 2019 | -$131M | -$2.29M | -1.77% | Jun 30, 2019 | 10-Q | 2019-08-07 |
| Q1 2019 | -$130M | -$2.69M | -2.11% | Mar 31, 2019 | 10-Q | 2019-05-07 |
| Q4 2018 | -$130M | -$2.16M | -1.69% | Dec 31, 2018 | 10-K | 2021-07-16 |
| Q3 2018 | -$129M | -$1.37M | -1.07% | Sep 30, 2018 | 10-Q | 2018-11-07 |
| Q2 2018 | -$129M | -$1.97M | -1.55% | Jun 30, 2018 | 10-Q | 2018-08-08 |
| Q1 2018 | -$128M | -$1.15M | -0.91% | Mar 31, 2018 | 10-Q | 2018-05-09 |
| Q4 2017 | -$128M | -$3.48M | -2.8% | Dec 31, 2017 | 10-K | 2019-03-13 |
| Q3 2017 | -$128M | -$3.5M | -2.81% | Sep 30, 2017 | 10-Q | 2017-11-07 |
| Q2 2017 | -$127M | -$4.25M | -3.46% | Jun 30, 2017 | 10-Q | 2017-08-08 |
| Q1 2017 | -$127M | -$4.18M | -3.41% | Mar 31, 2017 | 10-Q | 2017-05-02 |
| Q4 2016 | -$124M | -$2.07M | -1.7% | Dec 31, 2016 | 10-K/A | 2018-04-26 |
| Q3 2016 | -$124M | -$3.76M | -3.11% | Sep 30, 2016 | 10-Q | 2016-11-08 |
| Q2 2016 | -$123M | -$2.2M | -1.82% | Jun 30, 2016 | 10-Q | 2016-08-02 |
| Q1 2016 | -$122M | -$957K | -0.79% | Mar 31, 2016 | 10-Q | 2016-05-04 |
| Q4 2015 | -$122M | -$1.64M | -1.36% | Dec 31, 2015 | 10-K | 2017-03-15 |
| Q3 2015 | -$121M | -$1.29M | -1.08% | Sep 30, 2015 | 10-Q | 2015-11-05 |
| Q2 2015 | -$121M | -$2.64M | -2.24% | Jun 30, 2015 | 10-Q | 2015-08-03 |
| Q1 2015 | -$121M | Mar 31, 2015 | 10-Q | 2015-05-05 | ||
| Q4 2014 | -$120M | -$2.25M | -1.91% | Dec 31, 2014 | 10-K | 2016-03-08 |
| Q3 2014 | -$119M | Sep 30, 2014 | 10-Q | 2014-11-07 | ||
| Q2 2014 | -$118M | Jun 30, 2014 | 10-Q | 2014-08-01 | ||
| Q4 2013 | -$118M | Dec 31, 2013 | 10-K | 2015-03-16 |