SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal Balance	$ 319,000	$ 312,343	$ 22,343
Aggregate cost for federal income tax purposes	321,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at the beginning of the year	312,343	22,343	21,468
Additions during period:
Draws	10,000	0	706
New mortgage loans	0	290,000	0
Interest income added to principal	0	0	169
Deductions during period:
Paydowns/repayments	(3,343)	0	0
Balance at the end of the year	319,000	$ 312,343	$ 22,343
Mortgages
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Prior Liens	0
Principal Balance	319,000
Book Value	319,000
Deductions during period:
Balance at the end of the year	$ 319,000
Mortgages | River Vista
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Contractual Interest Rate	10.00%
Prior Liens	$ 0
Principal Balance	19,000
Book Value	19,000
Deductions during period:
Balance at the end of the year	$ 19,000
Mortgages | Recovery Centers of America
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Contractual Interest Rate	7.50%
Prior Liens	$ 0
Principal Balance	300,000
Book Value	300,000
Deductions during period:
Balance at the end of the year	$ 300,000