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Principles of Consolidation - Assets and Liabilities of Consolidated Variable Interest Entity's (Details) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) Investment | Dec. 31, 2016 USD ($) Investment
Variable Interest Entity [Line Items] |  |
Assets | $ 713,404 | $ 798,317
Liabilities | 693,137 | 773,980
Sequoia |  |
Variable Interest Entity [Line Items] |  |
Assets | 713,404 | 798,317
Liabilities | $ 693,137 | $ 773,980
Number of VIEs (in investments) | Investment | 20 | 20
Sequoia | Residential loans held-for-investment, at Redwood |  |
Variable Interest Entity [Line Items] |  |
Assets | $ 707,686 | $ 791,636
Sequoia | Restricted cash |  |
Variable Interest Entity [Line Items] |  |
Assets | 148 | 148
Sequoia | Accrued interest receivable |  |
Variable Interest Entity [Line Items] |  |
Assets | 925 | 1,000
Sequoia | Other assets |  |
Variable Interest Entity [Line Items] |  |
Assets | 4,645 | 5,533
Sequoia | Accrued interest payable |  |
Variable Interest Entity [Line Items] |  |
Liabilities | 531 | 518
Sequoia | Asset-backed securities issued |  |
Variable Interest Entity [Line Items] |  |
Liabilities | $ 692,606 | $ 773,462

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- Definition The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5710-111685 + Details
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