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INCOME TAXES - Schedule of Difference in Benefit for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Federal statutory rate		21.00%	21.00%	35.00%
Tax at statutory rate		$ 6,254	$ 1,268	$ (12,968)
State income taxes, net of federal benefit		(161)	(89)	(1,959)
Decrease in net federal deferred tax assets before valuation allowance change due to federal rate change		0	0	33,700
Decrease in valuation allowance by 80% of indefinite lived deferred liabilities due to US tax reform	$ (12,758)	0	0	(12,758)
Other changes in valuation allowance, including the federal rate change in fiscal year 2017		(978)	(1,613)	(18,848)
Deductible stock awards		(7,235)	(2,048)	(1,825)
Non-deductible expenses		638	633	542
Non-deductible officer compensation		314	2,214	0
Tax credits		(82)	(686)	(1,000)
Other, net		(624)	(63)	(137)
Benefit for income taxes		$ (1,874)	$ (384)	$ (15,253)

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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