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Residential Consumer Loans - Schedule of Characteristics of Residential Consumer Loans Held-for-Sale (Details) - Residential Consumer Loans - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")	$ 1,333,257	$ 1,000,663
Fair value of loans	1,350,782	1,013,547
Market value of loans pledged as collateral under short-term borrowing agreements	$ 1,349,510	$ 1,005,926
Weighted average coupon	6.39%	6.56%
Unpaid principal balance of loans in foreclosure	$ 0	$ 0
Average foreclosure balance (UPB)	0	0
Freddie Mac SLST
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")	1,471,356
Fair value of loans	$ 1,264,049
Weighted average coupon	4.49%
Unpaid principal balance of loans in foreclosure	$ 36,626
Average foreclosure balance (UPB)	176
Financing Receivables, Equal to Greater than 90 Days Past Due
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 (2)	1,479	0
Average 90+ days delinquent balance (UPB)	740	$ 0
Financing Receivables, Equal to Greater than 90 Days Past Due | Freddie Mac SLST
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 (2)	99,420
Average 90+ days delinquent balance (UPB)	$ 171

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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