LOANS RECEIVABLE AND INVESTMENTS - Schedule of Loans Receivable and Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance	$ (3,235)	$ (3,810)
Non-mortgage loans receivable, net	20,827	28,129
Secured loans, unsecured loans, and other available-for-sale securities, amortized cost	167,975	176,811
Total loans receivable and investments, net	164,740	173,001
Secured loans, unsecured loans, and other available-for-sale securities, fair value	166,796	173,869
Sales-type Lease, Lease Receivable	800	1,400
Non-mortgage loans receivable, net
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance	(3,235)	(3,810)
Non-mortgage loans receivable, amortized cost	24,062	31,939
Non-mortgage loans receivable, net	20,827	28,129
Non-mortgage loans receivable, fair value	20,432	27,640
Secured/mortgage loans and other, net
Accounts, Notes, Loans and Financing Receivable [Line Items]
Held-to-maturity securities, amortized cost	143,913	144,872
Allowance	0	0
Held-to-maturity securities, carrying amount	143,913	144,872
Held-to-maturity securities, fair value	$ 146,364	$ 146,229