Residential Investor Loans - Schedule of Characteristics of Residential Investor Loans (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Residential Investor Bridge, Unsecuritized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	$ 25,000
Unsecuritized Term \| Residential Investor Term, Unsecuritized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")	200,916	$ 177,618
Average UPB of loans	2,208	1,759
Fair value of loans	$ 174,808	$ 158,637
Weighted average coupon	6.95%	6.84%
Weighted average remaining loan term (years)	9 years	9 years
Market value of loans pledged as collateral under debt facilities	$ 115,742	$ 120,417
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	0	27,529
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	0	27,529
Fair value of loans in foreclosure	0	8,500
Unsecuritized Term \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential Investor Term, Unsecuritized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	46,477	12,366
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	77,396	33,065
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	9,674	8,266
Term at CAFL \| Residential Investor Term, Securitized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")	2,399,197	2,639,485
Average UPB of loans	2,809	3,084
Fair value of loans	$ 2,270,878	$ 2,485,069
Weighted average coupon	5.31%	5.35%
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	$ 17,111	$ 24,648
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	3,422	2,465
Term at CAFL \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential Investor Term, Securitized
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	169,697	194,143
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	3,857	3,734
Business Purpose Bridge Loans \| Residential Investor Bridge, Unsecuritized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")	1,056,296	1,166,213
Average UPB of loans	4,959	5,350
Fair value of loans	$ 949,264	$ 1,120,281
Weighted average coupon	9.22%	9.11%
Weighted average remaining loan term (years)	1 year	1 year
Market value of loans pledged as collateral under debt facilities	$ 897,085	$ 1,070,327
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	77,221	86,260
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	12,870	6,635
Fair value of loans in foreclosure	58,005	67,858
Business Purpose Bridge Loans \| Residential Investor Bridge, Securitized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")	928,171	810,285
Average UPB of loans	1,351	1,605
Fair value of loans	$ 944,217	$ 823,103
Weighted average coupon	9.49%	9.76%
Weighted average remaining loan term (years)	1 year	1 year
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	$ 24,769	$ 3,663
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	1,078	916
Business Purpose Bridge Loans \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential Investor Bridge, Unsecuritized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	139,780	102,321
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	196,370	129,229
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	12,273	8,077
Business Purpose Bridge Loans \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential Investor Bridge, Securitized
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	38,203	20,964
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	$ 1,819	$ 1,233

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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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