| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2023 | -$2.53B | -$69.2M | -2.81% | Mar 31, 2023 | 10-Q | 2023-05-15 |
| Q4 2022 | -$2.52B | -$93M | -3.83% | Dec 31, 2022 | 10-Q | 2023-05-15 |
| Q3 2022 | -$2.5B | -$112M | -4.7% | Sep 30, 2022 | 10-Q | 2022-11-07 |
| Q2 2022 | -$2.49B | -$121M | -5.11% | Jun 30, 2022 | 10-Q | 2022-08-08 |
| Q1 2022 | -$2.46B | -$118M | -5.02% | Mar 31, 2022 | 10-Q | 2022-05-12 |
| Q4 2021 | -$2.43B | -$97.9M | -4.21% | Dec 31, 2021 | 10-K | 2023-03-06 |
| Q3 2021 | -$2.39B | -$76.1M | -3.29% | Sep 30, 2021 | 10-Q | 2021-11-12 |
| Q2 2021 | -$2.36B | -$63.2M | -2.75% | Jun 30, 2021 | 10-Q | 2021-08-05 |
| Q1 2021 | -$2.35B | -$69.5M | -3.06% | Mar 31, 2021 | 10-Q | 2021-05-06 |
| Q4 2020 | -$2.33B | -$52.5M | -2.31% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | -$2.31B | -$57.6M | -2.56% | Sep 30, 2020 | 10-Q | 2020-11-10 |
| Q2 2020 | -$2.3B | -$56.4M | -2.51% | Jun 30, 2020 | 10-Q | 2020-08-07 |
| Q1 2020 | -$2.28B | -$41.4M | -1.85% | Mar 31, 2020 | 10-Q | 2020-05-15 |
| Q4 2019 | -$2.28B | -$50.8M | -2.28% | Dec 31, 2019 | 10-K | 2021-03-17 |
| Q3 2019 | -$2.26B | -$29.8M | -1.34% | Sep 30, 2019 | 10-Q | 2019-11-04 |
| Q2 2019 | -$2.25B | -$34.5M | -1.56% | Jun 30, 2019 | 10-Q | 2019-08-01 |
| Q1 2019 | -$2.23B | -$34.9M | -1.59% | Mar 31, 2019 | 10-Q | 2019-05-02 |
| Q4 2018 | -$2.22B | -$29.4M | -1.34% | Dec 31, 2018 | 10-K | 2020-03-13 |
| Q3 2018 | -$2.23B | -$44.5M | -2.04% | Sep 30, 2018 | 10-Q | 2018-11-01 |
| Q2 2018 | -$2.21B | -$41.7M | -1.92% | Jun 30, 2018 | 10-Q | 2018-08-03 |
| Q1 2018 | -$2.2B | -$29.3M | -1.35% | Mar 31, 2018 | 10-Q | 2018-05-03 |
| Q4 2017 | -$2.2B | -$45M | -2.09% | Dec 31, 2017 | 10-K | 2019-03-13 |
| Q3 2017 | -$2.18B | -$37.1M | -1.73% | Sep 30, 2017 | 10-Q | 2017-11-07 |
| Q2 2017 | -$2.17B | -$54.3M | -2.57% | Jun 30, 2017 | 10-Q | 2017-08-04 |
| Q1 2017 | -$2.17B | -$75.1M | -3.59% | Mar 31, 2017 | 10-Q | 2017-05-03 |
| Q4 2016 | -$2.15B | -$52M | -2.48% | Dec 31, 2016 | 10-K | 2018-03-07 |
| Q3 2016 | -$2.14B | -$74.5M | -3.6% | Sep 30, 2016 | 10-Q | 2016-11-08 |
| Q2 2016 | -$2.11B | -$77.9M | -3.82% | Jun 30, 2016 | 10-Q | 2016-08-04 |
| Q1 2016 | -$2.1B | -$90.7M | -4.53% | Mar 31, 2016 | 10-Q | 2016-05-10 |
| Q4 2015 | -$2.1B | -$123M | -6.21% | Dec 31, 2015 | 10-K | 2017-03-02 |
| Q3 2015 | -$2.07B | -$138M | -7.14% | Sep 30, 2015 | 10-Q | 2015-11-05 |
| Q2 2015 | -$2.04B | -$101M | -5.21% | Jun 30, 2015 | 10-Q | 2015-08-06 |
| Q1 2015 | -$2B | -$95.6M | -5.01% | Mar 31, 2015 | 10-Q | 2015-05-06 |
| Q4 2014 | -$1.98B | -$96M | -5.11% | Dec 31, 2014 | 10-K | 2016-02-17 |
| Q3 2014 | -$1.93B | -$41.6M | -2.2% | Sep 30, 2014 | 10-Q | 2014-10-31 |
| Q2 2014 | -$1.94B | -$68.6M | -3.68% | Jun 30, 2014 | 10-Q | 2014-08-04 |
| Q1 2014 | -$1.91B | -$59.3M | -3.2% | Mar 31, 2014 | 10-Q | 2014-04-29 |
| Q4 2013 | -$1.88B | -$49.6M | -2.71% | Dec 31, 2013 | 10-K | 2015-03-12 |
| Q3 2013 | -$1.89B | -$78.9M | -4.36% | Sep 30, 2013 | 10-Q | 2013-10-30 |
| Q2 2013 | -$1.87B | -$76.6M | -4.28% | Jun 30, 2013 | 10-Q | 2013-07-31 |
| Q1 2013 | -$1.85B | -$117M | -6.77% | Mar 31, 2013 | 10-Q | 2013-05-02 |
| Q4 2012 | -$1.83B | -$115M | -6.72% | Dec 31, 2012 | 10-K | 2014-03-04 |
| Q3 2012 | -$1.81B | -$114M | -6.73% | Sep 30, 2012 | 10-Q | 2012-11-01 |
| Q2 2012 | -$1.79B | -$124M | -7.41% | Jun 30, 2012 | 10-Q | 2012-08-02 |
| Q1 2012 | -$1.73B | Mar 31, 2012 | 10-Q | 2012-04-20 | ||
| Q4 2011 | -$1.71B | -$138M | -8.76% | Dec 31, 2011 | 10-K | 2013-02-28 |
| Q3 2011 | -$1.7B | -$154M | -10% | Sep 30, 2011 | 10-Q | 2011-10-25 |
| Q2 2011 | -$1.67B | -$140M | -9.19% | Jun 30, 2011 | 10-Q | 2011-07-28 |
| Q4 2010 | -$1.58B | Dec 31, 2010 | 10-K | 2012-03-08 | ||
| Q3 2010 | -$1.54B | Sep 30, 2010 | 10-Q | 2010-10-28 | ||
| Q2 2010 | -$1.53B | Jun 30, 2010 | 10-Q | 2010-08-06 |