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Loans and Allowance for Credit Losses - Additional Information (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026 USD ($) loan	Mar. 31, 2025 USD ($) loan	Mar. 31, 2026 USD ($) loan	Dec. 31, 2025 USD ($) loan borrower	Mar. 31, 2025 USD ($) loan
Mortgages receivable, net
Number of loans held for investment \| loan	108		108	115
Direct reserves	$ 7,000		$ 7,000	$ 6,300
Loans on nonaccrual status	75,400		75,400	117,600
Past due financing receivables with no allowance	37,300		37,300	96,800
Amount of pending/pre-foreclosure loan outstanding	39,600		39,600	37,500
Foreclosure loan of allowance for credit loss	6,700		6,700	4,200
Fair value	$ 355,835		$ 355,835	$ 377,418
Default interest rate on mortgage loans	18.00%
Carrying value	$ 4,500	$ 800
Number of loans modified experience difficulty \| loan		1	12
Aggregate outstanding balance	$ 42,300	$ 600	$ 42,300		$ 600
Loans defaulted during period \| loan			4		0
One borrower
Mortgages receivable, net
Number of borrowers \| borrower				1
Mortgage Concentration Risk \| Revenue Benchmark \| One borrower
Mortgages receivable, net
Loans outstanding (as a percent)				13.30%
Minimum
Mortgages receivable, net
Interest rate (as a percent)	7.00%
Maximum
Mortgages receivable, net
Interest rate (as a percent)	15.00%
Nonperforming Financial Instruments
Mortgages receivable, net
Fair value	$ 300		$ 300	$ 2,100
Financing receivable, held-for-investment	$ 20,000		$ 20,000	$ 20,800