Schedule IV - Mortgage Loans on Real Estate - Mortgage Secured and Mezzanine Loans Rollforward (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 Movement in Mortgage Loans on Real Estate [Roll Forward]
Mortgage loans, beginning of period	$ 15,155	$ 15,000	$ 29,500
Additions during period:
New mortgage and mezzanine loans	147,150	0	61,258
Interest income added to principal	1,165	155	0
Deductions during period:
Paydowns/Repayments	0	0	(75,758)
Unrealized loss	(7,102)
Mortgage loans, end of period	$ 156,368	$ 15,155	$ 15,000