BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of Hotel Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Hotel income	$ 5,212	$ 1,525	$ 10,074	$ 10,153
Rental and other property income	12,838	12,897	39,496	41,416
Interest and other income	6,199	2,912	16,231	7,810
Total Revenues	24,249	17,334	65,801	59,379
Hotel
Disaggregation of Revenue [Line Items]
Hotel income	5,212	1,525	10,074	10,153
Rental and other property income	251	222	716	911
Interest and other income	15	15	43	65
Total Revenues	$ 5,478	$ 1,762	$ 10,833	$ 11,129