BUSINESS COMBINATIONS - Proforma summary of financials (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Business Acquisition, Pro Forma Information [Abstract] | ||||
| Net revenues | $ 175,868 | $ 394,006 | $ 472,898 | $ 714,019 |
| Net income (loss) | $ (53,811) | $ 24,285 | $ (62,949) | $ 25,861 |
| Net income (loss) per common share - basic (in dollars per share) | $ (0.40) | $ 0.18 | $ (0.47) | $ 0.19 |
| Net income (loss) - diluted per common share (in dollars per share) | $ (0.40) | $ 0.17 | $ (0.47) | $ 0.19 |
| Weighted shares outstanding basic (in shares) | 134,804,963 | 138,760,483 | 134,785,749 | 138,684,845 |
| Weighted shares outstanding diluted (in shares) | 134,804,963 | 139,074,229 | 134,785,749 | 139,221,904 |