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Summary of Significant Accounting Policies (Policies) | 6 Months Ended
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Jun. 30, 2015
Accounting Policies [Abstract] |
Principles of Consolidation | Principles of Consolidation In accordance with GAAP, we determine whether we must consolidate transferred financial assets and variable interest entities (“VIEs”) for financial reporting purposes. We currently consolidate the assets and liabilities of certain Sequoia securitization entities where we maintain an ongoing involvement, as well as an entity formed in connection with a resecuritization transaction we engaged in during 2011 (“Residential Resecuritization”), and an entity formed in connection with a commercial securitization we engaged in during 2012 (“Commercial Securitization”). Each securitization entity is independent of Redwood and of each other and the assets and liabilities are not owned by and are not legal obligations of Redwood Trust, Inc. Our exposure to these entities is primarily through the financial interests we have retained, although we are exposed to certain financial risks associated with our role as a sponsor, manager, or depositor of these entities or as a result of our having sold assets directly or indirectly to these entities. For financial reporting purposes, the underlying loans and securities owned at the consolidated Sequoia entities, the Residential Resecuritization entity, and the Commercial Securitization entity are shown under residential and commercial loans and real estate securities on our consolidated balance sheets. The asset-backed securities (“ABS”) issued to third parties by these entities are shown under ABS issued. In our consolidated statements of income, we record interest income on the loans and securities owned at these entities and interest expense on the ABS issued by these entities as well as other income and expenses associated with these entities' activities.
Use of Estimates | Use of Estimates The preparation of financial statements requires us to make a number of significant estimates. These include estimates of fair value of certain assets and liabilities, amounts and timing of credit losses, prepayment rates, and other estimates that affect the reported amounts of certain assets and liabilities as of the date of the consolidated financial statements and the reported amounts of certain revenues and expenses during the reported periods. It is likely that changes in these estimates (e.g., valuation changes due to supply and demand, credit performance, prepayments, interest rates, or other reasons) will occur in the near term. Our estimates are inherently subjective in nature and actual results could differ from our estimates and the differences could be material.
Recent Accounting Pronouncements | Recent Accounting Pronouncements Adoption of ASU 2014-13 In November 2014, the FASB issued ASU 2014-13, “Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity” (ASU 2014-13). This update provides a measurement alternative to companies that consolidate collateralized financing entities ("CFEs"). Under the new guidance, companies can measure both the financial assets and financial liabilities of a CFE using the more observable of the fair value of the financial assets or fair value of the financial liabilities. This guidance is effective in the first quarter 2016 with early adoption permitted at the beginning of an annual period. The guidance can be applied either retrospectively to all relevant prior periods or by a modified retrospective approach with a cumulative-effect adjustment to equity as of the beginning of the annual period of adoption. On January 1, 2015, we elected to early adopt ASU 2014-13, as we determined this measurement alternative more accurately reflects our economic interests in, and financial results from, certain consolidated financing entities. We adopted the measurement alternative under this standard only for our consolidated Sequoia entities, which qualify under the standard as CFEs. We did not elect the measurement alternative for our Residential Resecuritization or our Commercial Resecuritization, and will continue to account for the assets and liabilities in these CFEs in accordance with existing accounting guidance. Under the provisions of ASU 2014-13, we use the fair value of the liabilities issued by the Sequoia CFEs (which we determined to be more observable) to determine the fair value of the assets, whereby the net assets we consolidate in our financial statements related to these entities represents the estimated fair value of our retained interests in the Sequoia CFEs. Similarly, the periodic net market valuation adjustments we record on our income statement from the consolidated assets and liabilities of the CFEs represents the change in fair value of our retained interests in the Sequoia CFEs. Using the modified retrospective approach, we recorded a cumulative-effect adjustment to equity of $10 million through retained earnings as of January 1, 2015. This cumulative-effect adjustment represents the net effect of adjusting the assets and liabilities of the Sequoia CFEs from amortized historical cost to fair value. Subsequent to the adoption of ASU 2014-13, the consolidated assets and liabilities of the Sequoia CFEs are both carried at fair value, with the periodic net changes in fair value recorded on our income statement, in mortgage banking and investment activities, net. The following table presents the assets and liabilities of the consolidated Sequoia entities at December 31, 2014 prior to the adoption of ASU 2014-13, the adjustments required to adopt the new standard, and the adjusted balances at January 1, 2015. Impact of Adoption of ASU 2014-13 on Balance Sheet (1)
(In Millions) |  | December 31, 2014 |  | ASU 2014-13 Adjustment |  | January 1, 2015
Loan Principal |  | $ | 1,486 |  |  | $ | — |  |  | $ | 1,486 |
Loan unamortized premium |  | 13 |  |  | (13 | ) |  | — |
Allowance for loan losses |  | (21 | ) |  | 21 |  |  | — |
Loan market valuation adjustment |  | — |  |  | (113 | ) |  | (113 | )
Residential loans held-for-investment |  | 1,478 |  |  | (105 | ) |  | 1,373 |
Deferred bond issuance costs |  | 1 |  |  | (1 | ) |  | — |
Other assets |  | 5 |  |  | — |  |  | 5 |
Total assets |  | 1,482 |  |  | (105 | ) |  | 1,377 |
ABS issued principal |  | 1,428 |  |  | — |  |  | 1,428 |
ABS issued unamortized discount |  | (10 | ) |  | 10 |  |  | — |
ABS market valuation adjustment |  | — |  |  | (125 | ) |  | (125 | )
Total liabilities |  | 1,418 |  |  | (115 | ) |  | 1,303 |
Redwood's investment in consolidated Sequoia entities |  | $ | 64 |  |  | $ | 10 |  |  | $ | 74 |
(1) | Certain totals may not foot due to rounding.
Other Recent Accounting Pronouncements In April 2015, the FASB issued ASU 2015-03, “Simplifying the Presentation of Debt Issuance Costs.” This new guidance requires debt issuance costs to be presented in the balance sheet as a direct deduction from the carrying value of the associated debt liability, consistent with the presentation of a debt discount. This new guidance is effective for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption is permitted for financial statements that have not been previously issued. The new guidance is required to be applied on a retrospective basis. We plan to adopt this new guidance by the required date and will reclassify our deferred securities issuance costs costs that we currently present on the face of our consolidated balance sheets and present them as debt discounts. In February 2015, the FASB issued ASU 2015-02, “Consolidation (Topic 810) - Amendments to the Consolidation Analysis.” This new guidance provides a new scope exception for certain money market funds, makes targeted amendments to the current consolidation guidance, and ends the deferral granted to investment companies from applying the VIE guidance. This new guidance is effective for annual periods beginning after December 15, 2015. Early adoption is allowed, including in any interim period. We are evaluating the impact of adopting this new standard. In June 2014, the FASB issued ASU 2014-11, “Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures.” This new guidance amends the accounting guidance for “repo-to-maturity” transactions and repurchase agreements executed as repurchase financings. In addition, the new standard requires a transferor to disclose more information about certain transactions, including those in which it retains substantially all of the exposure to the economic returns of the underlying transferred asset over the transaction’s term. This new guidance is effective in the first interim reporting period beginning after December 15, 2014. However, for repurchase and securities lending transactions reported as secured borrowings, the new standard’s enhanced disclosures are effective for annual periods beginning after December 15, 2014 and interim periods beginning after March 15, 2015. We adopted the new guidance, as required, in the first quarter of 2015 and adopted the disclosure requirements in the second quarter of 2015, as required, which are included in Note 12 of these notes to our consolidated financial statements. The adoption in the first quarter of 2015 did not have a material impact on our financial statements, as we did not have repo-to-maturity transactions outstanding. In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers.” The update modifies the guidance companies use to recognize revenue from contracts with customers for transfers of goods or services and transfers of nonfinancial assets, unless those contracts are within the scope of other standards. The guidance also requires new qualitative and quantitative disclosures, including information about contract balances and performance obligations. In July 2015, the FASB approved a one year deferral of the effective date. Accordingly, the Update is effective for us in the first quarter of 2018 with retrospective application to prior periods presented or as a cumulative effect adjustment in the period of adoption. Early adoption is permitted in the first quarter of 2017. We are evaluating the impact the update will have on our consolidated financial statements. In January 2014, the FASB issued ASU 2014-04, “Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure.” This update to the receivable guidance clarifies when a creditor is considered to have received physical possession of residential real estate resulting from an in substance repossession or foreclosure. In addition, the amendments require disclosure of both: (i) the amount of foreclosed residential real estate property held by the creditor; and (ii) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure. The update requires the guidance to be applied using either a modified retrospective transition method or a prospective transition method for interim and annual periods beginning after December 15, 2014, with early adoption permitted. We adopted this standard in the first quarter of 2015, as required, and it did not have a material impact on our financial statements.
Balance Sheet Netting | For each category of financial instrument set forth in the table above, the assets and liabilities resulting from individual transactions within that category between us and a counterparty are subject to a master netting arrangement or similar agreement with that counterparty that provides for individual transactions to be aggregated and treated as a single transaction. For certain categories of these instruments, some of our transactions are cleared and settled through one or more clearinghouses that are substituted as our counterparty. References herein to master netting arrangements or similar agreements include the arrangements and agreements governing the clearing and settlement of these transactions through the clearinghouses. In the event of the termination and close-out of any of those transactions, the corresponding master netting agreement or similar agreement provides for settlement on a net basis. Any such settlement would include the proceeds of the liquidation of any corresponding collateral, subject to certain limitations on termination, settlement, and liquidation of collateral that may apply in the event of the bankruptcy or insolvency of a party. Such limitations should not inhibit the eventual practical realization of the principal benefits of those transactions or the corresponding master netting arrangement or similar agreement and any corresponding collateral. Balance Sheet Netting Certain of our derivatives and short-term debt are subject to master netting arrangements or similar agreements. Under GAAP, in certain circumstances we may elect to present certain financial assets, liabilities and related collateral subject to master netting arrangements in a net position on our consolidated balance sheets. However, we do not report any of these financial assets or liabilities on a net basis, and instead present them on a gross basis on our consolidated balance sheets.

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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=18733093&loc=d3e5614-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.3A-02) -URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355033-122828 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph k -Article 1 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02, 03 -Article 3A + Details
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