| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2023 | $162M | -$7.48M | -4.42% | Mar 31, 2023 | 10-Q | 2023-05-10 |
| Q4 2022 | $157M | -$8.37M | -5.07% | Dec 31, 2022 | 10-Q | 2023-02-10 |
| Q3 2022 | $160M | +$3.96M | +2.53% | Sep 30, 2022 | 10-Q | 2023-05-10 |
| Q2 2022 | $177M | +$19M | +12% | Jun 30, 2022 | 10-Q | 2022-08-12 |
| Q1 2022 | $169M | +$23.2M | +15.9% | Mar 31, 2022 | 10-Q | 2022-05-06 |
| Q4 2021 | $165M | +$19M | +13% | Dec 31, 2021 | 10-Q | 2022-02-14 |
| Q3 2021 | $156M | +$15.6M | +11.1% | Sep 30, 2021 | 10-K | 2022-12-09 |
| Q2 2021 | $158M | +$12.2M | +8.39% | Jun 30, 2021 | 10-Q | 2021-08-13 |
| Q1 2021 | $146M | +$3.49M | +2.45% | Mar 31, 2021 | 10-Q | 2021-05-07 |
| Q4 2020 | $146M | -$216K | -0.15% | Dec 31, 2020 | 10-Q | 2021-02-12 |
| Q3 2020 | $141M | -$37K | -0.03% | Sep 30, 2020 | 10-K | 2021-12-23 |
| Q2 2020 | $146M | +$1.75M | +1.21% | Jun 30, 2020 | 10-Q | 2020-08-07 |
| Q1 2020 | $142M | +$3.5M | +2.52% | Mar 31, 2020 | 10-Q | 2020-05-22 |
| Q4 2019 | $146M | +$8.9M | +6.49% | Dec 31, 2019 | 10-Q | 2020-02-07 |
| Q3 2019 | $141M | -$1.77M | -1.24% | Sep 30, 2019 | 10-K | 2020-12-11 |
| Q2 2019 | $144M | -$2.11M | -1.45% | Jun 30, 2019 | 10-Q | 2019-08-07 |
| Q1 2019 | $139M | -$6.86M | -4.71% | Mar 31, 2019 | 10-Q | 2019-05-09 |
| Q4 2018 | $137M | -$8.59M | -5.89% | Dec 31, 2018 | 10-Q | 2019-02-14 |
| Q3 2018 | $143M | -$6.2M | -4.17% | Sep 30, 2018 | 10-K | 2019-12-20 |
| Q2 2018 | $146M | -$7.29M | -4.75% | Jun 30, 2018 | 10-Q | 2018-08-08 |
| Q1 2018 | $146M | -$4.59M | -3.06% | Mar 31, 2018 | 10-Q | 2018-05-09 |
| Q4 2017 | $146M | -$5.65M | -3.73% | Dec 31, 2017 | 10-Q | 2018-02-08 |
| Q3 2017 | $149M | -$3.13M | -2.06% | Sep 30, 2017 | 10-K | 2018-12-14 |
| Q2 2017 | $153M | -$5.66M | -3.56% | Jun 30, 2017 | 10-Q | 2017-08-03 |
| Q1 2017 | $150M | -$4.86M | -3.13% | Mar 31, 2017 | 10-Q | 2017-05-10 |
| Q4 2016 | $151M | -$1.37M | -0.9% | Dec 31, 2016 | 10-Q | 2017-02-08 |
| Q3 2016 | $152M | -$2.51M | -1.63% | Sep 30, 2016 | 10-K | 2018-04-03 |
| Q2 2016 | $159M | -$1.53M | -0.95% | Jun 30, 2016 | 10-Q | 2016-08-03 |
| Q1 2016 | $155M | -$4.17M | -2.62% | Mar 31, 2016 | 10-Q | 2016-05-12 |
| Q4 2015 | $153M | -$4.65M | -2.95% | Dec 31, 2015 | 10-Q | 2016-02-10 |
| Q3 2015 | $154M | -$12.3M | -7.38% | Sep 30, 2015 | 10-K | 2016-12-16 |
| Q2 2015 | $161M | -$6.32M | -3.79% | Jun 30, 2015 | 10-Q | 2015-08-12 |
| Q1 2015 | $159M | -$28.1M | -15% | Mar 31, 2015 | 10-Q | 2015-05-06 |
| Q4 2014 | $157M | -$20.5M | -11.5% | Dec 31, 2014 | 10-Q | 2015-02-11 |
| Q3 2014 | $167M | -$11.6M | -6.52% | Sep 30, 2014 | 10-K | 2015-12-02 |
| Q2 2014 | $167M | -$21.6M | -11.4% | Jun 30, 2014 | 10-Q | 2014-08-13 |
| Q1 2014 | $187M | -$3.38M | -1.77% | Mar 31, 2014 | 10-Q | 2014-05-06 |
| Q4 2013 | $178M | -$10.6M | -5.62% | Dec 31, 2013 | 10-Q | 2014-02-06 |
| Q3 2013 | $178M | -$14M | -7.26% | Sep 30, 2013 | 10-K | 2014-12-04 |
| Q2 2013 | $188M | -$5.42M | -2.8% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | $191M | -$8.39M | -4.21% | Mar 31, 2013 | 10-Q | 2013-05-15 |
| Q4 2012 | $189M | -$14.7M | -7.23% | Dec 31, 2012 | 10-Q | 2013-02-14 |
| Q3 2012 | $192M | -$15.5M | -7.43% | Sep 30, 2012 | 10-K | 2013-11-19 |
| Q2 2012 | $194M | -$18.9M | -8.89% | Jun 30, 2012 | 10-Q | 2012-08-14 |
| Q1 2012 | $199M | -$22.2M | -10% | Mar 31, 2012 | 10-Q | 2012-05-01 |
| Q4 2011 | $203M | -$22.9M | -10.1% | Dec 31, 2011 | 10-Q | 2012-01-30 |
| Q3 2011 | $208M | -$7.36M | -3.42% | Sep 30, 2011 | 10-K | 2012-12-19 |
| Q2 2011 | $213M | Jun 30, 2011 | 10-Q | 2011-08-05 | ||
| Q1 2011 | $221M | Mar 31, 2011 | 10-Q | 2011-05-09 | ||
| Q4 2010 | $226M | Dec 31, 2010 | 10-Q/A | 2011-02-09 | ||
| Q3 2010 | $215M | Sep 30, 2010 | 10-K | 2011-11-22 |