| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2022 | -$52.6M | -$261K | -0.5% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | -$52.5M | -$262K | -0.5% | Jun 30, 2022 | 10-Q | 2022-08-22 |
| Q1 2022 | -$52.4M | -$259K | -0.5% | Mar 31, 2022 | 10-Q | 2022-05-16 |
| Q4 2021 | -$52.4M | -$260K | -0.5% | Dec 31, 2021 | 10-Q | 2022-11-14 |
| Q3 2021 | -$52.3M | -$263K | -0.5% | Sep 30, 2021 | 10-Q | 2021-11-16 |
| Q2 2021 | -$52.3M | -$265K | -0.51% | Jun 30, 2021 | 10-Q | 2021-08-16 |
| Q1 2021 | -$52.2M | -$267K | -0.51% | Mar 31, 2021 | 10-Q | 2021-05-17 |
| Q4 2020 | -$52.1M | -$253K | -0.49% | Dec 31, 2020 | 10-K | 2022-04-15 |
| Q3 2020 | -$52.1M | -$502K | -0.97% | Sep 30, 2020 | 10-Q | 2020-11-17 |
| Q2 2020 | -$52M | -$536K | -1.04% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | -$51.9M | -$547K | -1.07% | Mar 31, 2020 | 10-Q | 2020-05-20 |
| Q4 2019 | -$51.9M | -$622K | -1.21% | Dec 31, 2019 | 10-K | 2021-04-15 |
| Q3 2019 | -$51.5M | -$822K | -1.62% | Sep 30, 2019 | 10-Q | 2019-11-19 |
| Q2 2019 | -$51.5M | -$699K | -1.38% | Jun 30, 2019 | 10-Q | 2019-08-15 |
| Q1 2019 | -$51.4M | -$751K | -1.49% | Mar 31, 2019 | 10-Q | 2019-05-20 |
| Q4 2018 | -$51.2M | -$737K | -1.46% | Dec 31, 2018 | 10-K | 2020-04-14 |
| Q3 2018 | -$50.7M | +$896K | +1.74% | Sep 30, 2018 | 10-Q | 2018-11-19 |
| Q2 2018 | -$50.8M | +$806K | +1.56% | Jun 30, 2018 | 10-Q | 2018-08-20 |
| Q1 2018 | -$50.6M | +$857K | +1.67% | Mar 31, 2018 | 10-Q | 2018-05-21 |
| Q4 2017 | -$50.5M | +$869K | +1.69% | Dec 31, 2017 | 10-K | 2019-04-16 |
| Q3 2017 | -$51.6M | -$351K | -0.68% | Sep 30, 2017 | 10-Q | 2017-11-20 |
| Q2 2017 | -$51.6M | -$401K | -0.78% | Jun 30, 2017 | 10-Q | 2017-08-21 |
| Q1 2017 | -$51.5M | -$417K | -0.82% | Mar 31, 2017 | 10-Q | 2017-05-22 |
| Q4 2016 | -$51.4M | -$398K | -0.78% | Dec 31, 2016 | 10-K | 2018-04-17 |
| Q3 2016 | -$51.3M | -$388K | -0.76% | Sep 30, 2016 | 10-Q | 2016-12-02 |
| Q2 2016 | -$51.2M | -$382K | -0.75% | Jun 30, 2016 | 10-Q | 2016-08-17 |
| Q1 2016 | -$51M | -$328K | -0.65% | Mar 31, 2016 | 10-Q | 2016-05-20 |
| Q4 2015 | -$51M | -$468K | -0.93% | Dec 31, 2015 | 10-K | 2017-04-17 |
| Q3 2015 | -$50.9M | -$602K | -1.2% | Sep 30, 2015 | 10-Q | 2015-11-16 |
| Q2 2015 | -$50.8M | -$650K | -1.3% | Jun 30, 2015 | 10-Q | 2015-08-17 |
| Q1 2015 | -$50.7M | -$856K | -1.72% | Mar 31, 2015 | 10-Q | 2015-07-22 |
| Q4 2014 | -$50.5M | -$827K | -1.67% | Dec 31, 2014 | 10-K | 2016-04-13 |
| Q3 2014 | -$50.3M | -$759K | -1.53% | Sep 30, 2014 | 10-Q | 2014-11-18 |
| Q2 2014 | -$50.1M | -$663K | -1.34% | Jun 30, 2014 | 10-Q | 2014-08-19 |
| Q1 2014 | -$49.9M | -$502K | -1.02% | Mar 31, 2014 | 10-Q/A | 2014-05-23 |
| Q4 2013 | -$49.7M | -$358K | -0.73% | Dec 31, 2013 | 10-K | 2015-04-15 |
| Q3 2013 | -$49.5M | -$349K | -0.71% | Sep 30, 2013 | 10-Q | 2013-11-19 |
| Q2 2013 | -$49.5M | -$450K | -0.92% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | -$49.4M | -$570K | -1.17% | Mar 31, 2013 | 10-Q | 2013-05-20 |
| Q4 2012 | -$49.3M | -$718K | -1.48% | Dec 31, 2012 | 10-K | 2014-04-14 |
| Q3 2012 | -$49.2M | -$857K | -1.77% | Sep 30, 2012 | 10-Q | 2012-11-14 |
| Q2 2012 | -$49M | -$833K | -1.73% | Jun 30, 2012 | 10-Q/A | 2012-08-21 |
| Q1 2012 | -$48.8M | Mar 31, 2012 | 10-Q | 2012-05-21 | ||
| Q4 2011 | -$48.6M | -$784K | -1.64% | Dec 31, 2011 | 10-K | 2013-04-15 |
| Q3 2011 | -$48.3M | Sep 30, 2011 | 10-Q | 2011-11-18 | ||
| Q2 2011 | -$48.2M | Jun 30, 2011 | 10-Q/A | 2011-12-02 | ||
| Q4 2010 | -$47.8M | Dec 31, 2010 | 10-K | 2012-04-17 |