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Short-Term Debt - Remaining Maturities of Short Term Debt (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Short-term Debt [Line Items] |  |  |
Short-term debt | [1] | $ 1,855,003 | $ 1,793,825
Within 30 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 606,612 |
31 to 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 438,732 |
Over 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 809,659 |
Residential Loans |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 950,022 | 1,076,188
Residential Loans | 31 to 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 351,703 |
Residential Loans | Over 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 598,319 |
Residential Loans Held for Investment |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 137,622 |
Residential Loans Held for Investment | Over 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 137,622 |
Commercial Loans |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 73,718 | 109,128
Commercial Loans | 31 to 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 0 |
Commercial Loans | Over 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 73,718 |
Real Estate Securities |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 693,641 | $ 608,509
Real Estate Securities | Within 30 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 606,612 |
Real Estate Securities | 31 to 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | 87,029 |
Real Estate Securities | Over 90 Days |  |  |
Short-term Debt [Line Items] |  |  |
Short-term debt |  | $ 0 |
[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 Redwood Trust, Inc. or its affiliates. At December 31, 2015 and December 31, 2014, assets of consolidated VIEs totaled $1,195,574 and $1,900,208, respectively. At December 31, 2015 and December 31, 2014, liabilities of consolidated VIEs totaled $1,050,861 and $1,546,490, respectively. See Note 4 for further discussion.

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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 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 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 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph 2, 3 -Article 9 + Details
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