Residential Consumer Loans - Schedule of Characteristics of Residential Consumer Loans Held-for-Investment (Details) - Held-for-investment at fair value - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Securitized Jumbo Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")	$ 12,013,426	$ 9,350,286
Average loan balance (UPB)	875	842
Fair value of loans	$ 11,587,062	$ 8,819,554
Weighted average coupon	5.44%	5.35%
Unpaid principal balance of loans in foreclosure	$ 15,503	$ 10,493
Average foreclosure balance (UPB)	646	552
Securitized Re-Performing Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unpaid principal balance ("UPB")		1,514,432
Average loan balance (UPB)		155
Fair value of loans		$ 1,244,722
Weighted average coupon		4.49%
Unpaid principal balance of loans in foreclosure		$ 41,913
Average foreclosure balance (UPB)		185
Financing Receivables, Equal to Greater than 90 Days Past Due \| Securitized Jumbo Loans
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	31,322	19,480
Average 90+ days delinquent balance (UPB)	$ 712	573
Financing Receivables, Equal to Greater than 90 Days Past Due \| Securitized Re-Performing Loans
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		106,910
Average 90+ days delinquent balance (UPB)		$ 172

Fair Value, Option, Loans Held As Assets, Aggregate Amount In Foreclosure

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Loans Held-for-Investment, Average Loan Balance (UPB)

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Loans Held-for-Investment, Weighted Average Coupon Rate

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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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For loans held as assets for which the fair value option has been elected, this item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of those loans that are 90 days or more past due.

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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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This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

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