Loans Held for Investment - Schedule of Loans Held for Investment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	$ 723,333	$ 111,477
Allowance for credit losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	2,251	1,667
Allowance for credit losses | Property - Buy to Let
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	736,807	111,630
Allowance for credit losses | Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	544	1,514
Allowance for credit losses | Deferred fees, net
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	13,713	0
Allowance for credit losses | Fair value hedge basis adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Loans Held for Investment, net	$ 1,946	$ 0