Residential Investor Loans - Schedule of Characteristics of Residential Investor Loans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Unsecuritized Bridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	$ 15,000	$ 14,000
Unsecuritized Term \| Unsecuritized Term
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
UPB	81,851	205,584
Average UPB of loans	780	1,326
Fair value of loans	$ 72,541	202,422
Loans held at lower of cost or market		$ 0
Weighted average coupon	6.96%	6.72%
Weighted average remaining loan term (years)	15 years	13 years
Market value of loans pledged as collateral under debt facilities	$ 4,569	$ 109,652
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	0	0
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	0	0
Fair value in foreclosure	0	0
Unsecuritized Term \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Unsecuritized Term
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	34,096	44,680
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	43,907	52,380
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	10,977	6,547
Term at CAFL \| Securitized Term
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
UPB	1,957,775	2,083,080
Average UPB of loans	3,040	3,041
Fair value of loans	$ 1,833,827	1,985,910
Loans held at lower of cost or market		$ 0
Weighted average coupon	5.26%	5.26%
Weighted average remaining loan term (years)	4 years	4 years
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	$ 17,066	$ 28,089
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	2,133	2,554
Term at CAFL \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Securitized Term
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	200,008	209,560
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	3,922	4,459
Business Purpose Bridge Loans \| Unsecuritized Bridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
UPB	353,915	339,394
Average UPB of loans	2,283	3,058
Fair value of loans	$ 324,025	296,518
Loans held at lower of cost or market		$ 14,414
Weighted average coupon	8.95%	8.96%
Weighted average remaining loan term (years)	1 year	1 year
Market value of loans pledged as collateral under debt facilities	$ 268,143	$ 255,255
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	1,055	22,838
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	1,055	22,838
Fair value in foreclosure	648	16,672
Business Purpose Bridge Loans \| Securitized Bridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
UPB	1,059,625	1,099,350
Average UPB of loans	1,417	1,323
Fair value of loans	$ 1,080,152	1,117,401
Loans held at lower of cost or market		$ 0
Weighted average coupon	8.90%	8.95%
Weighted average remaining loan term (years)	1 year	1 year
Market value of loans pledged as collateral under debt facilities	$ 1,080,152	$ 1,117,401
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	30,810	18,882
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	856	1,259
Fair value in foreclosure	31,496	18,538
Business Purpose Bridge Loans \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Unsecuritized Bridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	54,587	64,998
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	82,116	89,504
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	9,124	5,967
Business Purpose Bridge Loans \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Securitized Bridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	84,366	47,439
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	83,390	48,438
Average UPB of 90+ days delinquent loans/Average UPB in foreclosure	$ 1,604	$ 1,425

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

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Amount of realized and unrealized gain (loss) on investment.

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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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