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Residential Mortgage Loans Held in Securitization Trusts (Net) and Real Estate Owned - Narrative (Details) $ in Thousands | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2017 USD ($) loan | Dec. 31, 2016 USD ($) loan | Sep. 30, 2016 USD ($) | Dec. 31, 2015 USD ($)
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Allowance for loan losses | $ 3,725 | $ 3,782 | $ 3,833 | $ 3,399
Allowance for loan losses, basis points | 4.48% | 3.85% |  |
CDOs outstanding | $ 4,600 | $ 4,400 |  |
Residential Mortgage Loans Held in Securitization Trusts and Real Estate Owned Held in Residential Securitization |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Number of delinquent loans | loan | 24 | 31 |  |
Principal amount of delinquent loans | $ 15,400 | $ 18,700 |  |
Residential Mortgage Loans Held in Securitization Trusts and Real Estate Owned Held in Residential Securitization | Payment Deferral |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |
Principal amount of delinquent loans | $ 10,300 | $ 11,200 |  |
Delinquent loans under modified payment, percent | 67.00% | 60.00% |  |

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- Definition Represents Company’s net investment in the residential securitization trusts, which is the maximum amount of the Company’s investment that is at risk to loss and represents the difference between (i) the carrying amount of the mortgage loans and real estate owned held in residential securitization trusts and (ii) the amount of Residential CDOs outstanding. + References No definition available. + Details
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- Definition Represents allowance for loan losses expressed as basis points of the outstanding principal balance of residential loans held in securitization trusts. + References No definition available. + Details
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- Definition Represents the percentage of delinquent loans that are currently under some form of modified payment plan. + References No definition available. + Details
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- Definition The aggregate number of delinquent loans. + References No definition available. + Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of principal due on loans that have been delinquent, which may exclude loans having interest delinquent for three months or less, as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.10(a)) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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- Details
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- Details
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