FAIR VALUE MEASUREMENTS - Changes in Fair Value of Receivables (Details) - Fair Value, Recurring - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans and notes receivable	$ 5,865	$ 48,364	$ 49,484
Change in fair value of receivables	611	1,770
Other Gains (Losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value of receivables	11	11
Interest Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value of receivables	$ 600	$ 1,759