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Residential Investor Loans - Schedule unpaid principal balance of business purpose loans (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Residential Term, Single Family Rental | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	$ 137,347
Residential Term, Multifamily | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	90,712
Term Loans, Single Family Rental | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	2,296,676
Term Loans, Multifamily | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	649,510
Residential Bridge Renovate Build For Rent | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	548,841
Bridge Loans, Renovate Build For Rent | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	374,262
Residential Bridge Single Asset Bridge | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	31,629
Bridge Loans, Single Asset Bridge | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	117,888
Residential Bridge Multifamily | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	664,680
Bridge Loans, Multifamily | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	186,637
Residential Bridge Third Party Originated | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	21,579
Bridge Loans, Third Party Originated | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	1,400
Residential Term Loans | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	228,059
Term Loans | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	2,946,186
BPL bridge loans | Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	1,266,729
Bridge Loans | CAFL
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	$ 680,187

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

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

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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 2: 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/1943274/2147479170/946-210-S99-1

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

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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