Loans Held for Investment, net - Provision for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance			$ 8,799
Provision for (reversal of) credit losses	$ (3,600)	$ 37	1,926	$ 796
Ending balance	9,344		9,344
Total
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	14,637	9,667	9,111	8,908
Provision for (reversal of) credit losses	(3,600)	37	1,926	796
Write offs	(1,500)		(1,500)
Ending balance	9,537	9,704	9,537	9,704
Loans Held for Investment, net
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	14,404	9,375	8,799	8,074
Provision for (reversal of) credit losses	(3,560)	36	2,045	1,337
Write offs	(1,500)		(1,500)
Ending balance	9,344	9,411	9,344	9,411
Unfunded Loan Commitments
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	233	292	312	834
Provision for (reversal of) credit losses	(40)	1	(119)	(541)
Write offs	0		0
Ending balance	$ 193	$ 293	$ 193	$ 293