Fair Value of Financial Instruments - Summary of Changes in Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Fair Value, Net Asset (Liability) [Abstract]
Net realized loss on investments	$ (585)	$ (317)	$ (1,405)	$ (841)
Net unrealized gain (loss) on investments	(1,015)	(262)	491	(975)
Commercial Real Estate Loan Investments [Member]
Fair Value, Net Asset (Liability) [Abstract]
Beginning balance	2,428,080	871,906	2,177,027	370,401
Loan originations and fundings	510,741	446,472	835,623	947,977
Repayments	(38,436)	0	(113,614)	(0)
Return of capital	0	0	0	0
Net realized loss on investments	0	0	0	0
Net unrealized gain (loss) on investments	0	0	1,349	0
Ending balance	2,900,385	1,318,378	2,900,385	1,318,378
Mortgage Servicing Rights [Member]
Fair Value, Net Asset (Liability) [Abstract]
Beginning balance	73,396	79,376	74,848	9,835
Loan originations and fundings	0	2,525	50	73,404
Repayments	0	0	0	0
Return of capital	(61,167)	(358)	(62,783)	(983)
Net realized loss on investments	0	0	0	0
Net unrealized gain (loss) on investments	(582)	(262)	(468)	(975)
Ending balance	11,647	81,281	11,647	81,281
Residential Bridge Loans [Member]
Fair Value, Net Asset (Liability) [Abstract]
Beginning balance	27,570	3,029	27,735	2,750
Loan originations and fundings	8,302	16,858	15,267	17,137
Repayments	(2,268)	(274)	(9,398)	(274)
Return of capital	0	0	0	0
Net realized loss on investments	0	0	0	0
Net unrealized gain (loss) on investments	0	0	0	0
Ending balance	33,604	19,613	33,604	19,613
Tax Lien [Member]
Fair Value, Net Asset (Liability) [Abstract]
Beginning balance	285,331	56,144	368,943	68,082
Loan originations and fundings	235,014	311,854	239,447	317,409
Repayments	(109,347)	(26,824)	(196,615)	(43,793)
Return of capital	0	0	0	0
Net realized loss on investments	(585)	(317)	(1,405)	(841)
Net unrealized gain (loss) on investments	(433)	0	(390)	0
Ending balance	$ 409,980	$ 340,857	$ 409,980	$ 340,857