Fair Value Disclosures [Abstract] | Period [Axis] |
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2016-01-01 - 2016-12-31 |
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Fair Value Disclosures [Abstract] | |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis | The following table presents the fair value of the Company’s assets and liabilities presented on its consolidated balance sheets, segregated by the hierarchy level of the fair value estimate, that are measured at fair value on a recurring basis as of the dates indicated: | | | | | | | | | | | | | | | | | | December 31, 2016 | | Fair Value | | Level 1 - Unadjusted Quoted Prices in Active Markets | | Level 2 - Observable Inputs | | Level 3 - Unobservable Inputs | Assets: | | | | | | | | Mortgage-backed securities | $ | 3,212,084 |
| | $ | — |
| | $ | 3,201,157 |
| | $ | 10,927 |
| Derivative assets | 28,534 |
| | — |
| | 28,534 |
| | — |
| Total assets carried at fair value | $ | 3,240,618 |
| | $ | — |
| | $ | 3,229,691 |
| | $ | 10,927 |
| Liabilities: | |
| | |
| | |
| | |
| Derivative liabilities | $ | 6,922 |
| | $ | — |
| | $ | 6,922 |
| | $ | — |
| Total liabilities carried at fair value | $ | 6,922 |
| | $ | — |
| | $ | 6,922 |
| | $ | — |
|
| | | | | | | | | | | | | | | | | | December 31, 2015 | | Fair Value | | Level 1 - Unadjusted Quoted Prices in Active Markets | | Level 2 - Observable Inputs | | Level 3 - Unobservable Inputs | Assets: | | | | | | | | Mortgage-backed securities | $ | 3,493,701 |
| | $ | — |
| | $ | 3,477,266 |
| | $ | 16,435 |
| Derivative assets | 7,835 |
| | — |
| | 7,835 |
| | — |
| Total assets carried at fair value | $ | 3,501,536 |
| | $ | — |
| | $ | 3,485,101 |
| | $ | 16,435 |
| Liabilities: | |
| | |
| | |
| | |
| Derivative liabilities | $ | 41,205 |
| | $ | 29,097 |
| | $ | 12,108 |
| | $ | — |
| Total liabilities carried at fair value | $ | 41,205 |
| | $ | 29,097 |
| | $ | 12,108 |
| | $ | — |
|
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Fair Value Inputs, Assets, Quantitative Information | The table below presents quantitative information about the significant unobservable inputs used in the fair value measurement for the Company's Level 3 non-Agency CMBS and RMBS as of December 31, 2016: | | | | | | | | | | | | | Unobservable Inputs | | Prepayment Speed | | Default Rate | | Severity | | Discount Rate | Non-Agency CMBS (1) | 0 CPY | | — |
| | — |
| | 9.8 | % | Non-Agency RMBS | 10 CPR | | 1.0 | % | | 20.0 | % | | 6.3 | % |
| | (1) | As of December 31, 2016, there are too few loans collateralizing our non-Agency CMBS to reasonably apply average prepayment speed, average default rate, or average severity. The loans were individually evaluated for prepayment and default in projecting the cash flows. Based on that review, the loans are expected to pay as scheduled. |
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation | The activity of the instruments measured at fair value on a recurring basis using Level 3 inputs is presented in the following table for the period indicated: | | | | | | | | | | | | | | Level 3 Fair Value | | Non-Agency CMBS | | Non-Agency RMBS | | Total assets | Balance as of December 31, 2015 | $ | 14,903 |
| | $ | 1,532 |
| | $ | 16,435 |
| Unrealized loss included in OCI (1) | (1,055 | ) | | (2 | ) | | (1,057 | ) | Principal payments | (5,747 | ) | | (272 | ) | | (6,019 | ) | Accretion | 1,568 |
| | — |
| | 1,568 |
| Balance as of December 31, 2016 | $ | 9,669 |
| | $ | 1,258 |
| | $ | 10,927 |
|
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Recorded basis and fair value | The following table presents a summary of the carrying value and estimated fair values of the Company’s financial instruments as of the dates indicated: | | | | | | | | | | | | | | | | | | December 31, 2016 | | December 31, 2015 | | Carrying Value | | Fair Value | | Carrying Value | | Fair Value | Assets: | | | | | | | | Mortgage-backed securities | $ | 3,212,084 |
| | $ | 3,212,084 |
| | $ | 3,493,701 |
| | $ | 3,493,701 |
| Mortgage loans held for investment, net(1) | 19,036 |
| | 15,971 |
| | 24,145 |
| | 20,849 |
| Investment in FHLB stock | 9 |
| | 9 |
| | 11,475 |
| | 11,475 |
| Derivative assets | 28,534 |
| | 28,534 |
| | 7,835 |
| | 7,835 |
| Liabilities: | |
| | |
| | |
| | |
| Repurchase agreements (2) | $ | 2,898,952 |
| | $ | 2,898,952 |
| | $ | 2,589,420 |
| | $ | 2,589,420 |
| FHLB advances (2) | — |
| | — |
| | 520,000 |
| | 520,000 |
| Non-recourse collateralized financing (1) | 6,440 |
| | 6,357 |
| | 8,442 |
| | 8,102 |
| Derivative liabilities | 6,922 |
| | 6,922 |
| | 41,205 |
| | 41,205 |
|
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