SCHEDULE IV - MORTGAGE LOANS - Roll Forward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at January 1,	$ 130,626	$ 143,087	$ 114,893
Additions	19,149	15,312	60,154
Deductions	(13,168)	(27,773)	(31,960)
Balance at December 31,	$ 136,607	$ 130,626	$ 143,087