SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE - Mortgage Loan Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2023
Movement in Mortgage Loans on Real Estate
Balance, beginning of period	$ 62,547	$ 73,543
Additions during period:
New loans	45,188	40,619
Other - deferral of loan origination costs	742	1,086
Other - bad debt recovery	125	0
Other - accretion of loan discounts, net of amortization of deferred origination costs	1,643	1,836
Deductions during period:
Collections of principal	(16,843)	(20,250)
Cost of mortgages sold, net	(35,614)	(34,124)
Other - bad debt expense	0	(163)
Balance, end of period	57,005	62,547
Cumulative adjustment	57,005	62,547
Cumulative-effect adjustment upon adoption of ASU 2016-13 (Note 2)
Movement in Mortgage Loans on Real Estate
Balance, beginning of period	$ (783)	0
Deductions during period:
Balance, end of period		(783)
Cumulative adjustment		$ (783)	$ 783