INCOME TAXES - Components of the Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	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
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Federal									$ (1,772)	$ 7,099	$ 1,845
State and local									(396)	7,068	276
Total current expense (benefit)									(2,168)	14,167	2,121
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Federal									3,824	(5,115)	4,632
State and local									990	(2,409)	959
Total deferred expense (benefit)									4,814	(7,524)	5,591
Provision for income tax expense (benefit)	$ 2,169	$ 1,112	$ 2,219	$ (2,854)	$ 964	$ 1,204	$ 573	$ 3,902	$ 2,646	$ 6,643	$ 7,712