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Short-Term Debt - Outstanding Balances of Short-Term Debt by Type of Collateral Securing Debt (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 USD ($) Facility | Dec. 31, 2016 USD ($) Facility
Short-term Debt [Line Items] |  |  |
Number of Facilities (in facilities) | Facility |  | 11 | 11
Outstanding Balance | [1] | $ 563,773,000 | $ 791,539,000
Residential loan warehouse |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities (in facilities) | Facility |  | 4 | 4
Outstanding Balance |  | $ 240,961,000 | $ 485,544,000
Limit |  | $ 1,325,000,000 | $ 1,325,000,000
Weighted Average Interest Rate (as a percent) |  | 2.59% | 2.40%
Weighted Average Days Until Maturity (in days) |  | 285 days | 206 days
Real estate securities repo |  |  |
Short-term Debt [Line Items] |  |  |
Number of Facilities (in facilities) | Facility |  | 7 | 7
Outstanding Balance |  | $ 322,812,000 | $ 305,995,000
Limit |  | $ 0 | $ 0
Weighted Average Interest Rate (as a percent) |  | 2.11% | 1.91%
Weighted Average Days Until Maturity (in days) |  | 27 days | 24 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 Redwood Trust, Inc. or its affiliates. At March 31, 2017 and December 31, 2016, assets of consolidated VIEs totaled $750,694 and $798,317, respectively. At March 31, 2017 and December 31, 2016, liabilities of consolidated VIEs totaled $728,923 and $773,980, respectively. See Note 4 for further discussion.

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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 + Details
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- Definition Weighted average interest rate of short-term debt outstanding. + 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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