XML 105 R108.htm IDEA: XBRL DOCUMENT v2.4.1.9

Aggregate Fair Value and Notional Amount of Derivative Financial Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivative [Line Items]
Fair Value	$ (41,914)us-gaap_DerivativeFairValueOfDerivativeNet	$ (10,381)us-gaap_DerivativeFairValueOfDerivativeNet
Notional Amount	3,663,084invest_DerivativeNotionalAmount	1,488,922invest_DerivativeNotionalAmount
Derivative Assets
Derivative [Line Items]
Fair Value	16,417us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember	7,786us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Notional Amount	1,987,467invest_DerivativeNotionalAmount / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember	859,360invest_DerivativeNotionalAmount / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Derivative Assets | Interest Rate Swaps
Derivative [Line Items]
Fair Value		5,972us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Notional Amount		268,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Derivative Assets | TBAs
Derivative [Line Items]
Fair Value	6,654us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember	1,138us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Notional Amount	1,074,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember	241,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Derivative Assets | Swaptions
Derivative [Line Items]
Fair Value	7,006us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwaptionMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember	595us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwaptionMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Notional Amount	575,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwaptionMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember	340,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwaptionMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Derivative Assets | Credit Default Index Swaps
Derivative [Line Items]
Fair Value	1,597us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = rwt_CreditDefaultIndexSwapsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Notional Amount	50,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = rwt_CreditDefaultIndexSwapsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Derivative Assets | Loan Purchase Commitments
Derivative [Line Items]
Fair Value	1,160us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_LoanPurchaseCommitmentsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Notional Amount	288,467invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_LoanPurchaseCommitmentsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember	360invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_LoanPurchaseCommitmentsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Derivative Assets | Loan forward Sales Commitments
Derivative [Line Items]
Fair Value		81us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = rwt_ForwardSalesCommitmentsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Notional Amount		10,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = rwt_ForwardSalesCommitmentsMember / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember
Derivative Liabilities
Derivative [Line Items]
Fair Value	(58,331)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	(18,167)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Notional Amount	1,675,617invest_DerivativeNotionalAmount / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	629,562invest_DerivativeNotionalAmount / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Derivative Liabilities | Interest Rate Swaps
Derivative [Line Items]
Fair Value	(1,328)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	(80)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Notional Amount	206,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	50,500invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Derivative Liabilities | TBAs
Derivative [Line Items]
Fair Value	(9,506)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	(661)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Notional Amount	1,110,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	235,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = rwt_ToBeAnnouncedContractsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Derivative Liabilities | Futures
Derivative [Line Items]
Fair Value	(372)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_FutureMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	(528)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_FutureMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Notional Amount	90,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_FutureMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	162,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_FutureMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Derivative Liabilities | Loan Purchase Commitments
Derivative [Line Items]
Fair Value	(41)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_LoanPurchaseCommitmentsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	(379)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_LoanPurchaseCommitmentsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Notional Amount	27,324invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_LoanPurchaseCommitmentsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	42,562invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_LoanPurchaseCommitmentsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Derivative Liabilities | Loan forward Sales Commitments
Derivative [Line Items]
Fair Value	(239)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = rwt_ForwardSalesCommitmentsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Notional Amount	102,793invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = rwt_ForwardSalesCommitmentsMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Derivative Liabilities | Cash Flow Hedging | Interest Rate Swaps
Derivative [Line Items]
Fair Value	(46,845)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	(16,519)us-gaap_DerivativeFairValueOfDerivativeNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Notional Amount	$ 139,500invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember	$ 139,500invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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X

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

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