BUSINESS COMBINATIONS - Proforma summary of financials (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Business Acquisition, Pro Forma Information [Abstract] | ||||
| Net revenues | $ 268,505 | $ 398,182 | $ 741,403 | $ 1,112,202 |
| Net income (loss) | $ (16,878) | $ 40,199 | $ (79,827) | $ 66,596 |
| Net income (loss) per common share - basic (in dollars per share) | $ (0.13) | $ 0.29 | $ (0.59) | $ 0.48 |
| Net income (loss) - diluted per common share (in dollars per share) | $ (0.13) | $ 0.29 | $ (0.59) | $ 0.48 |
| Weighted shares outstanding basic (in shares) | 134,735,075 | 136,449,453 | 134,753,276 | 137,944,486 |
| Weighted shares outstanding diluted (in shares) | 134,735,075 | 136,452,995 | 134,753,276 | 138,295,091 |