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INCOME TAXES - Schedule of Difference in Provision (Benefit) for Income Taxes (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]        
Federal statutory rate   21.00% 35.00% 35.00%
Tax at statutory rate   $ 1,268 $ (12,968) $ (2,228)
State income taxes, net of federal benefit   (89) (1,959) (265)
Decrease in net federal deferred tax assets before valuation allowance change due to federal rate change   0 33,700 0
Decrease in valuation allowance by 80% of indefinite lived deferred liabilities due to US tax reform $ (12,758) 0 (12,758) 0
Other changes in valuation allowance, including the federal rate change in fiscal year 2017   (1,613) (18,848) 4,370
Non-deductible officer compensation   2,214 0 0
Deductible stock awards   (2,048) (1,825) 0
Tax credits   (686) (1,000) (1,085)
Non-deductible expenses   633 542 100
Other, net   (63) (137) (398)
(Benefit) provision for income taxes   $ (384) $ (15,253) $ 494