Loans Held for Investment - Schedule of Investment Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	$ 623,396	$ 111,477
Allowance for credit losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	2,323	1,667
Allowance for credit losses | Property - Buy to Let
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	637,425	111,630
Allowance for credit losses | Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	742	1,514
Allowance for credit losses | Deferred fees, net
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	$ 12,448	$ 0