INCOME TAXES - Reconciliation of Net Income to REIT Taxable Income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Contingency [Line Items]
(Loss) income from continuing operations before income taxes for TRSs	$ (15,737,000)	$ 346,403,000	$ 2,067,000
Income tax (benefit) provision	(722,000)	882,000	925,000
Reserve for uncertain tax positions	0	0
TRS
Income Tax Contingency [Line Items]
(Loss) income from continuing operations before income taxes for TRSs	(7,995,000)	4,414,000	4,962,000
Expected federal income tax (benefit) provision	(1,679,000)	927,000	1,042,000
State income taxes	(1,562,000)	21,000	35,000
Change in valuation allowance	2,605,000	0	0
Other	(86,000)	(66,000)	(152,000)
Income tax (benefit) provision	$ (722,000)	$ 882,000	$ 925,000