Schedule IV: Mortgage Loans on Real Estate - Reconciliation of Mortgage Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of year	$ 175,717	$ 341,749	$ 390,291
New mortgage loans	486,667	0	0
Draws and additions to existing mortgage loans	30,745	11,602	5,525
Total additions	517,412	11,602	5,525
Principal repayments	(77,643)	(183,084)	(47,591)
Reserve for loan losses	(2,702)	5,450	(6,476)
Total deductions	(80,345)	(177,634)	(54,067)
Balance at end of year	$ 612,784	$ 175,717	$ 341,749