XML 122 R112.htm IDEA: XBRL DOCUMENT v3.22.2

Asset-Backed Securities Issued - Components of Asset-Backed Securities Issued by Consolidated Securitization Entities Sponsored, Along With Other Selected Information (Details) - Asset-backed securities issued $ in Thousands	Jun. 30, 2022 USD ($) series	Dec. 31, 2021 USD ($) series
Debt Instrument [Line Items]
ABS Issued, Net	$ 8,584,146	$ 9,253,557
Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
ABS Issued, Net	(840,698)	34,092
Certificates with principal balance
Debt Instrument [Line Items]
ABS Issued, Net	9,191,472	8,970,474
Interest-only certificates
Debt Instrument [Line Items]
ABS Issued, Net	233,372	248,991
Legacy Sequoia
Debt Instrument [Line Items]
ABS Issued, Net	$ 207,647	$ 227,881
Number of series | series	20	20
Legacy Sequoia | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
ABS Issued, Net	$ (22,262)	$ (32,243)
Legacy Sequoia | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	1.59%	0.23%
Legacy Sequoia | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	2.88%	1.44%
Legacy Sequoia | Certificates with principal balance
Debt Instrument [Line Items]
ABS Issued, Net	$ 229,651	$ 259,505
Legacy Sequoia | Interest-only certificates
Debt Instrument [Line Items]
ABS Issued, Net	258	619
Sequoia
Debt Instrument [Line Items]
ABS Issued, Net	$ 3,288,682	$ 3,383,048
Number of series | series	17	16
Sequoia | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
ABS Issued, Net	$ (505,456)	$ (2,774)
Sequoia | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	2.52%	2.40%
Sequoia | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	5.00%	5.03%
Sequoia | Certificates with principal balance
Debt Instrument [Line Items]
ABS Issued, Net	$ 3,733,955	$ 3,353,073
Sequoia | Interest-only certificates
Debt Instrument [Line Items]
ABS Issued, Net	60,183	32,749
CAFL
Debt Instrument [Line Items]
ABS Issued, Net	$ 3,207,867	$ 3,474,898
Number of series | series	18	16
CAFL | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
ABS Issued, Net	$ (244,629)	$ 16,407
CAFL | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	2.34%	2.64%
CAFL | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	5.34%	5.24%
CAFL | Certificates with principal balance
Debt Instrument [Line Items]
ABS Issued, Net	$ 3,303,312	$ 3,264,766
CAFL | Interest-only certificates
Debt Instrument [Line Items]
ABS Issued, Net	149,184	193,725
Freddie Mac SLST
Debt Instrument [Line Items]
ABS Issued, Net	$ 1,358,459	$ 1,588,463
Number of series | series	3	3
Debt instrument, face amount	$ 117,000	$ 145,000
Freddie Mac SLST | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
ABS Issued, Net	$ (48,723)	$ 41,111
Freddie Mac SLST | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	3.50%	3.50%
Freddie Mac SLST | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series	4.75%	4.75%
Freddie Mac SLST | Certificates with principal balance
Debt Instrument [Line Items]
ABS Issued, Net	$ 1,392,244	$ 1,535,638
Freddie Mac SLST | Interest-only certificates
Debt Instrument [Line Items]
ABS Issued, Net	14,938	11,714
Freddie Mac K-Series
Debt Instrument [Line Items]
ABS Issued, Net	$ 411,380	$ 441,857
Range of weighted average interest rates, by series	3.41%	3.41%
Number of series | series	1	1
Freddie Mac K-Series | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
ABS Issued, Net	$ (12,158)	$ 12,973
Freddie Mac K-Series | Certificates with principal balance
Debt Instrument [Line Items]
ABS Issued, Net	414,729	418,700
Freddie Mac K-Series | Interest-only certificates
Debt Instrument [Line Items]
ABS Issued, Net	8,809	10,184
HEI
Debt Instrument [Line Items]
ABS Issued, Net	$ 110,111	$ 137,410
Range of weighted average interest rates, by series	3.74%	3.31%
Number of series | series	1	1
HEI | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
ABS Issued, Net	$ (7,470)	$ (1,382)
HEI | Certificates with principal balance
Debt Instrument [Line Items]
ABS Issued, Net	117,581	138,792
HEI | Interest-only certificates
Debt Instrument [Line Items]
ABS Issued, Net	0	0
CoreVest
Debt Instrument [Line Items]
Debt instrument, face amount	$ 485,000	$ 270,000

X

- Definition

Number of Series

+ References

No definition available.

+ Details

Name:	rwt_NumberOfSeries
Namespace Prefix:	rwt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI https://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RestatementAxis=srt_RevisionOfPriorPeriodAccountingStandardsUpdateAdjustmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=rwt_CertificatesWithPrincipalValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=rwt_InterestOnlyCertificatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rwt_LegacySequoiaSecuritizationEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rwt_SequoiaChoiceSecuritizationEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rwt_CAFLSecuritizationEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rwt_FreddieMacSLSTSecuritizationEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rwt_FreddieMacKSeriesSecuritizationEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rwt_PointMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rwt_CoreVestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: