Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Effect of Fourth Quarter Events [Line Items] | ||||||||||
| Total revenues | $ 710,135 | $ 964,720 | ||||||||
| Loss from continuing operations | $ (32,522) | $ (24,778) | $ (19,315) | $ (14,786) | $ (41,742) | $ (20,354) | $ (30,990) | $ (23,650) | (91,401) | (116,736) |
| Loss from discontinued operations | $ (55,245) | $ (14,100) | $ (8,462) | $ (12,690) | $ (4,935) | $ (6,981) | $ (9,064) | $ (6,881) | $ (90,497) | $ (27,861) |
| Loss per share of common stock: | ||||||||||
| Net loss from continuing operations per share, basic and diluted (in dollars per share) | $ (1.30) | $ (0.97) | $ (0.71) | $ (0.55) | $ (1.57) | $ (0.77) | $ (1.18) | $ (0.89) | $ (3.50) | $ (4.41) |
| Net loss from discontinued operations per share, basic and diluted (in dollars per share) | $ (2.22) | $ (0.55) | $ (0.31) | $ (0.47) | $ (0.19) | $ (0.26) | $ (0.34) | $ (0.26) | $ (3.46) | $ (1.05) |
| Weighted average common shares outstanding: | ||||||||||
| Basic (in shares) | 24,924 | 25,606 | 27,204 | 26,850 | 26,570 | 26,510 | 26,444 | 26,336 | 26,141 | 26,467 |
| Diluted (in shares) | 24,924 | 25,606 | 27,204 | 26,850 | 26,570 | 26,510 | 26,444 | 26,336 | 26,141 | 26,467 |
| Continuing operations | ||||||||||
| Effect of Fourth Quarter Events [Line Items] | ||||||||||
| Total revenues | $ 121,922 | $ 144,163 | $ 147,975 | $ 153,190 | $ 157,866 | $ 171,144 | $ 165,558 | $ 158,997 | $ 567,250 | $ 653,565 |
| Segment profits | $ 23,869 | $ 35,584 | $ 38,915 | $ 42,067 | $ 40,251 | $ 44,716 | $ 45,245 | $ 42,948 | 140,435 | 173,160 |
| Loss from continuing operations | $ (91,401) | $ (116,736) | ||||||||