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INCOME TAXES - Schedule of Income Tax Provisions (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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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 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income (loss) before provisions for income taxes | $ 1,250 | $ (1,299) | $ (8,623) | $ (10,901) | $ (3,063) | $ (4,618) | $ (7,920) | $ 70,336 | $ (19,573) | $ 54,735 | $ (44,811)
Provision for income taxes | $ (271) | $ (88) | $ 3 | $ (115) | $ (79) | $ (22) | $ 162 | $ (453) | $ (471) | $ (392) | $ (480)
Effective tax rate |  |  |  |  |  |  |  |  | (2.40%) | 0.70% | (1.10%)

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