INCOME TAXES - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income taxes
Number of year cumulative loss	3 years
Valuation allowance	$ 15,241,000	$ 0
Unrecognized tax benefits	0
NOL carry-back expected benefit	1,000,000.0
Estimated employee retention tax credit, CARES Act	300,000
Estimated employee retention tax credit, CARES Act, anticipated in 2021	700,000
Federal
Income taxes
Operating loss carryforwards	54,900,000
Federal | TRSs
Income taxes
Operating loss carryforwards	48,700,000
Federal | REIT Subsidiaries
Income taxes
Operating loss carryforwards	1,900,000
State | TRSs
Income taxes
Operating loss carryforwards	$ 50,800,000