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Commercial Loans - Additional Information (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 USD ($) loan | Mar. 31, 2015 USD ($) loan | Dec. 31, 2015 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Senior commercial loans, held for sale |  | $ 1,245,068 | $ 2,558,425 |
Aggregate fair value |  | 363,893 |  | $ 402,647
Sale of loan for third party, held for sale |  | $ 1,336,617 | $ 2,455,452 |
Commercial Loans Held For Sale |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Number of loans | loan |  | 0 | 4 |
Principal balance |  |  |  | 39,000
Aggregate fair value | [1] | $ 0 |  | 39,141
Sale of loan for third party, held for sale |  | 76,000 | $ 203,000 |
Valuation adjustments |  | 0 | $ 6,000 |
Commercial Loans Held-for-Investment, at Amortized Cost |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans Financed through Securitization |  | $ 165,000 |  | 166,000
Number of loans | loan |  | 58 | 59 |
Aggregate fair value |  | $ 294,219 |  | 295,849
Loan pledged as collateral |  | 7,000 |  | 135,000
Recorded investment in loans |  | $ 301,609 |  | 302,951
Commercial Loans Held-for-Investment, at Amortized Cost | Originated During 2015 |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Percentage of loan portfolio originated in year |  | 7.00% |  |
Commercial Loans Held-for-Investment, at Amortized Cost | Originated During 2014 |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Percentage of loan portfolio originated in year |  | 19.00% |  |
Commercial Loans Held-for-Investment, at Amortized Cost | Originated During 2013 |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Percentage of loan portfolio originated in year |  | 16.00% |  |
Commercial Loans Held-for-Investment, at Amortized Cost | Originated During 2012 |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Percentage of loan portfolio originated in year |  | 31.00% |  |
Commercial Loans Held-for-Investment, at Amortized Cost | Originated During 2011 |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Percentage of loan portfolio originated in year |  | 23.00% |  |
Commercial Loans Held-for-Investment, at Amortized Cost | Originated During 2010 |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Percentage of loan portfolio originated in year |  | 4.00% |  |
Commercial Loans Held For Investment |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Number of loans | loan |  | 3 |  |
Principal balance |  | $ 67,000 |  | 67,000
Loans at fair value |  | 69,674 |  | 67,657
Aggregate fair value | [1] | 363,893 |  | 363,506
Commercial Loans Held-for-Investment, at Fair Value, B-Notes |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Aggregate fair value |  | 4,000 |  | $ 5,000
Commercial Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Senior commercial loans, held for sale |  | $ 38,000 | $ 93,000 |
[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, 2016 and December 31, 2015, assets of consolidated VIEs totaled $1,102,195 and $1,195,574, respectively. At March 31, 2016 and December 31, 2015, liabilities of consolidated VIEs totaled $959,464 and $1,050,861, respectively. See Note 4 for further discussion.

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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of commercial loans and leases receivable including, but not limited to, commercial and industrial loans, agricultural loans, mortgage loans, promissory notes, interbank and other loans to financial institutions, draws against credit facilities, trade financing, lease financings. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5066-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5086-111524 + Details
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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + 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 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The aggregate cash outflow used to purchase all loans that are held with the intention to resell in the near future. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=34726456&loc=d3e60097-112785 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3367-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3461-108585 + Details
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