Residential Investor Loans - Schedule of Characteristics of Residential Investor Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
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	$ 205,584	$ 177,618
Average UPB of loans	1,326	1,759
Fair value of loans	202,422	$ 158,637
Loans held at lower of cost or market	$ 0
Weighted average coupon rate (as a percent)	6.72%	6.84%
Weighted average remaining loan term (years)	13 years	9 years
Gain (Loss) on Investments	$ 109,652	$ 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	44,680	12,366
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	52,380	33,065
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	6,547	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	2,083,080	2,639,485
Average UPB of loans	3,041	3,084
Fair value of loans	1,985,910	$ 2,485,069
Loans held at lower of cost or market	$ 0
Weighted average coupon rate (as a percent)	5.26%	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	$ 28,089	$ 24,648
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	2,554	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	209,560	194,143
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	4,459	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	339,394	1,166,213
Average UPB of loans	3,058	5,350
Fair value of loans	296,518	$ 1,120,281
Loans held at lower of cost or market	$ 14,414
Weighted average coupon rate (as a percent)	8.96%	9.11%
Weighted average remaining loan term (years)	1 year	1 year
Gain (Loss) on Investments	$ 255,255	$ 1,070,327
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	22,838	86,260
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	22,838	6,635
Fair value of loans in foreclosure	16,672	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	1,099,350	810,285
Average UPB of loans	1,323	1,605
Fair value of loans	1,117,401	$ 823,103
Loans held at lower of cost or market	$ 0
Weighted average coupon rate (as a percent)	8.95%	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	$ 18,882	$ 3,663
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	1,259	916
Fair value of loans in foreclosure		3,715
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	64,998	102,321
Unpaid principal balance of loans with 90+ day delinquencies/Unpaid principal balance of loans in foreclosure	89,504	129,229
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	5,967	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	48,438	20,964
Average UPB of 90+ days delinquent loans/Average UPB of loans in foreclosure	$ 1,425	$ 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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