COMMERCIAL LOANS AND INVESTMENTS - Carrying Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current Face Amount	$ 32,073	$ 38,099
Imputed Interest over Rent Payments Received	97	409	$ 399
CECL Reserve			(1,968)
Total Commercial Loan and Master Lease Investments	31,908	39,095	$ 38,320	$ 34,625
Commercial loan and master lease investments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current Face Amount	32,073	38,099
Imputed Interest over Rent Payments Received		1,002
Unaccreted Origination Fees	(161)	(2)
CECL Reserve	(4)	(4)
Total Commercial Loan and Master Lease Investments	$ 31,908	$ 39,095