INCOME TAXES - Summary of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Current expense	$ 1,097	$ 1,260	$ 1,498
Deferred expense (benefit)	543	443	(232)
Expense due to enactment of federal tax reform legislation	0	2,635	0
Income tax expense	$ 1,640	$ 4,338	$ 1,266

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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