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Fair Value - Narrative (Details) | 3 Months Ended
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Mar. 31, 2016
Loans Held for Investment - Reverse Mortgages [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Life | 6 years 6 months 7 days
Repayment rate | 19.70%
Discount rate | 2.74%
Minimum [Member] | Loans Held for Investment - Reverse Mortgages [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Life | 5 years 11 months 15 days
Repayment rate | 4.92%
Maximum [Member] | Loans Held for Investment - Reverse Mortgages [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Life | 9 years 5 months 15 days
Repayment rate | 53.75%
HMBS - Related Borrowings [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Life | 5 years 4 months 24 days
Repayment rate | 19.70%
Discount rate | 2.17%
HMBS - Related Borrowings [Member] | Minimum [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Life | 4 years 8 months 26 days
Repayment rate | 4.92%
HMBS - Related Borrowings [Member] | Maximum [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Life | 9 years 5 months 15 days
Repayment rate | 53.75%

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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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