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Residential Investor Loans - Classifications and Carrying Values of Residential Investor Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Held-for-sale at fair value
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	$ 280,551	$ 180,250
Held-for-sale at fair value | Residential Investor Term | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	253,774	144,359
Held-for-sale at fair value | Residential Investor Term | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	0	0
Held-for-sale at fair value | Residential investor bridge loans | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	26,777	35,891
Held-for-sale at fair value | Residential investor bridge loans | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	0	0
Held-for-investment at fair value
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	4,901,443	5,040,048
Held-for-investment at fair value | Residential Investor Term | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	0	0
Held-for-investment at fair value | Residential Investor Term | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	2,853,052	2,971,725
Held-for-investment at fair value | Residential investor bridge loans | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	1,286,233	1,305,727
Held-for-investment at fair value | Residential investor bridge loans | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	762,158	762,596
Total Residential Investor Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	5,181,994	5,220,298
Total Residential Investor Loans | Residential Investor Term | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	253,774	144,359
Total Residential Investor Loans | Residential Investor Term | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	2,853,052	2,971,725
Total Residential Investor Loans | Residential investor bridge loans | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	1,313,010	1,341,618
Total Residential Investor Loans | Residential investor bridge loans | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	$ 762,158	$ 762,596

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No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(5)(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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