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Short-Term Debt - By Weighted Average Interest Rates and Collateral Type (Detail) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Short-term Debt [Line Items] |  |  |
Amount Borrowed | [1] | $ 1,367,062 | $ 1,793,825
Weighted Average Interest Rate |  | 1.78% |
Weighted Average Days Until Maturity |  | 154 days |
Residential Loans |  |  |
Short-term Debt [Line Items] |  |  |
Amount Borrowed |  | $ 776,824 | 1,076,188
Weighted Average Interest Rate |  | 1.73% |
Weighted Average Days Until Maturity |  | 233 days |
Commercial Loans |  |  |
Short-term Debt [Line Items] |  |  |
Amount Borrowed |  | $ 96,849 | 109,128
Weighted Average Interest Rate |  | 3.92% |
Weighted Average Days Until Maturity |  | 185 days |
Real Estate Securities |  |  |
Short-term Debt [Line Items] |  |  |
Amount Borrowed |  | $ 493,389 | $ 608,509
Weighted Average Interest Rate |  | 1.43% |
Weighted Average Days Until Maturity |  | 22 days |
[1] | Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to the primary beneficiary (Redwood Trust, Inc.). At June 30, 2015 and December 31, 2014, assets of consolidated VIEs totaled $1,622,636 and $1,900,208, respectively, and liabilities of consolidated VIEs totaled $1,263,249 and $1,546,490, respectively. See Note 4 for further discussion.

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