SEGMENT DISCLOSURE - Segment Net Operating Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 24,853	$ 24,249	$ 76,038	$ 65,801
EXPENSES:
Interest expense	2,193	2,185	6,766	7,490
General and administrative	1,907	1,625	4,975	5,393
Total Expenses	24,694	21,679	70,398	65,005
(Loss) income from unconsolidated entity	(204)	0	176	0
Hotel
Segment Reporting Information [Line Items]
Revenues	8,456	5,478	25,825	10,833
Operating Segments
EXPENSES:
Expense reimbursements to related parties—lending segment	539	55	1,612	1,219
Segment net operating income	10,087	13,259	35,079	34,976
Operating Segments | Office
Segment Reporting Information [Line Items]
Revenues	14,043	12,998	42,225	39,881
EXPENSES:
Operating	7,249	5,362	19,772	16,704
General and administrative	71	123	196	291
Total Expenses	7,320	5,485	19,968	16,995
(Loss) income from unconsolidated entity	(204)	0	176
Segment net operating income	6,519	7,513	22,433	22,886
Operating Segments | Hotel
Segment Reporting Information [Line Items]
Revenues	8,456	5,478	25,825	10,833
EXPENSES:
Operating	6,052	4,596	17,728	10,659
General and administrative	27	5	79	106
Total Expenses	6,079	4,601	17,807	10,765
Segment net operating income	2,377	877	8,018	68
Operating Segments | Lending
Segment Reporting Information [Line Items]
Revenues	2,353	5,773	7,987	15,086
EXPENSES:
Interest expense	134	105	360	478
Expense reimbursements to related parties—lending segment	539	55	1,612	1,219
General and administrative	489	744	1,387	1,367
Total Expenses	1,162	904	3,359	3,064
Segment net operating income	$ 1,191	$ 4,869	$ 4,628	$ 12,022