SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE - Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2020
Mortgage Loans on Real Estate
Balance at Beginning of Year	$ 38,320	$ 34,625
New Mortgage Loans	364	28,360	$ 34,570
Collection of Origination Fees		(125)
Accretion of Origination Fees	2	161	(139)
Imputed Interest Over Rent Payments on Ground Lease Loan	409	399	194
Collection of Principal		(23,132)
CECL Reserve		(1,968)		$ (300)
Balance at End of Year	39,095	$ 38,320	$ 34,625
Carrying amount of mortgages for Federal income tax	$ 18,400