LOANS RECEIVABLE AND OTHER INVESTMENTS - Composition of Loans Receivable and Other Investments (Details) $ in Thousands	Dec. 31, 2021 USD ($) investment loan preferredEquityInvestment	Dec. 31, 2020 USD ($)
Loans Receivable:
Quantity | loan	18
Principal balance	$ 352,159	$ 65,320
Book Value	348,375	61,357
Allowance for loan losses	(6,344)	(2,458)
Book Value	$ 342,031	58,899
Weighted Average Contractual Interest Rate / Rate of Return	7.60%
Weighted Average Annualized Effective Interest Rate / Rate of Return	7.50%
Other Investments:
Quantity | preferredEquityInvestment	8
Principal Balance	$ 56,805	43,724
Book Value	$ 57,055	43,940
Weighted Average Contractual Interest Rate / Rate of Return	11.10%
Weighted Average Annualized Effective Interest Rate / Rate of Return	11.10%
Total Quantity | investment	26
Total Principal Balance	$ 408,964
Total Book Value	$ 399,086	102,839
Total Weighted Average Contractual Interest Rate / Rate of Return	8.10%
Total Weighted Average Annualized Effective Interest Rate / Rate of Return	8.00%
Mortgage
Loans Receivable:
Quantity | loan	2
Principal balance	$ 309,000
Book Value	$ 309,000	19,000
Weighted Average Contractual Interest Rate / Rate of Return	7.70%
Weighted Average Annualized Effective Interest Rate / Rate of Return	7.70%
Construction
Loans Receivable:
Quantity | loan	1
Principal balance	$ 3,343
Book Value	$ 3,347	3,352
Weighted Average Contractual Interest Rate / Rate of Return	8.00%
Weighted Average Annualized Effective Interest Rate / Rate of Return	7.80%
Other
Loans Receivable:
Quantity | loan	15
Principal balance	$ 39,816
Book Value	$ 36,028	$ 39,005
Weighted Average Contractual Interest Rate / Rate of Return	6.80%
Weighted Average Annualized Effective Interest Rate / Rate of Return	6.10%