XML 148 R115.htm IDEA: XBRL DOCUMENT v2.4.1.9

Outstanding Balances of Short-Term Debt by Type of Collateral Securing Debt (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Contract	Dec. 31, 2013 Contract
Short-term Debt [Line Items]
Number of Facilities	17rwt_NumberOfFacilities	13rwt_NumberOfFacilities
Outstanding	$ 1,793,825us-gaap_ShortTermBorrowings	$ 862,763us-gaap_ShortTermBorrowings
Residential Loans
Short-term Debt [Line Items]
Number of Facilities	5rwt_NumberOfFacilities / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_ResidentialMortgageMember	5rwt_NumberOfFacilities / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_ResidentialMortgageMember
Outstanding	1,076,188us-gaap_ShortTermBorrowings / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_ResidentialMortgageMember	184,789us-gaap_ShortTermBorrowings / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_ResidentialMortgageMember
Limit	1,550,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_ResidentialMortgageMember	1,400,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_ResidentialMortgageMember
Residential Loans | Minimum
Short-term Debt [Line Items]
Maturity	2015-02	2014-01
Residential Loans | Maximum
Short-term Debt [Line Items]
Maturity	2015-12	2014-12
Commercial Loans
Short-term Debt [Line Items]
Number of Facilities	3rwt_NumberOfFacilities / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_CommercialLoanMember	1rwt_NumberOfFacilities / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_CommercialLoanMember
Outstanding	109,128us-gaap_ShortTermBorrowings / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_CommercialLoanMember
Limit	400,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_CommercialLoanMember	100,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_CommercialLoanMember
Maturity		2014-04
Commercial Loans | Minimum
Short-term Debt [Line Items]
Maturity	2015-04
Commercial Loans | Maximum
Short-term Debt [Line Items]
Maturity	2016-10
Real Estate Securities
Short-term Debt [Line Items]
Number of Facilities	9rwt_NumberOfFacilities / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_RealEstateInvestmentMember	7rwt_NumberOfFacilities / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_RealEstateInvestmentMember
Outstanding	$ 608,509us-gaap_ShortTermBorrowings / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_RealEstateInvestmentMember	$ 677,974us-gaap_ShortTermBorrowings / us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis = us-gaap_RealEstateInvestmentMember
Real Estate Securities | Minimum
Short-term Debt [Line Items]
Maturity	2015-01	2014-01
Real Estate Securities | Maximum
Short-term Debt [Line Items]
Maturity	2015-03	2014-02

X

- Definition

Debt Instrument, Maturity, Month and Year

+ References

No definition available.

+ Details

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- Definition

Number of Facilities

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.(a),16(a)(1))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

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-Article 7



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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