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Derivative Financial Instruments (Details 2) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($) item | Jul. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Mar. 31, 2014
Derivative Financial Instruments |  |  |  |  |  |  |
Cumulative amount of other comprehensive loss related to net unrealized losses on derivatives designated as qualifying hedges | $ (8,400) |  | $ (8,400) |  |  | $ (15,000) |
Cumulative amount of other comprehensive loss related to net unrealized losses on derivatives designated as cash flow hedges attributable to fair value of qualifying cash flow hedges | (7,500) |  | (7,500) |  |  | (13,900) |
Cumulative amount of other comprehensive loss related to net unrealized losses on derivatives designated as cash flow hedges attributable to deferred losses terminated interest swaps | (1,000) |  | (1,000) |  |  | (1,200) |
Cumulative amount of other comprehensive loss related to net unrealized losses on derivatives designated as cash flow hedges attributable to deferred gains on terminated interest swaps | 100 |  | 100 |  |  | 100 |
Fair value of derivatives in a net liability position | (7,200) |  | (7,200) |  |  | (9,200) |
Collateral posted | 7,700 |  | 7,700 |  |  | 9,600 |
Residential mortgage-backed security (RMBS) |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Change in fair value |  |  |  | $ (100) |  |  |
Number of investments sold | item |  |  |  | 8 |  |  |
Aggregate carrying value of investments sold |  | $ 65,700 |  | $ 65,700 |  |  |
Proceeds from sale of investments |  |  |  | 65,800 |  |  |
Net gain on sale of investments |  |  |  | 100 |  |  |
Amount of repurchase agreement for financing the purchase of investments |  |  |  | 55,400 |  |  |
Net interest income |  |  |  | 300 |  |  |
Interest Rate Swaps | Subsequent event |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Aggregate notional value |  |  |  |  | $ 7,900 |  |
Aggregate fair value |  |  |  |  | $ 400 |  |
Non-Qualifying | Basis Swaps |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Fair Value, classified in Other Assets |  |  |  |  |  | 2 |
Non-Qualifying | Basis Swaps | Interest Expense |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Change in fair value |  |  | (3) |  |  |  |
Non-Qualifying | Basis Swaps | Maximum |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Change in fair value | (100) | (100) | (100) | (100) |  |  |
Fair Value, classified in Other Assets | 100 |  | 100 |  |  |  |
Non-Qualifying | LIBOR Caps |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Cap rate (as a percent) |  |  |  |  |  |  | 6.00%
Non-Qualifying | LIBOR Caps | Maximum |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Change in fair value | (100) | (100) | (100) | (100) |  |  |
Non-Qualifying | Forward Contracts | Other Income |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Change in fair value |  |  |  | (45) |  |  |
Qualifying | Interest Rate Swaps |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Amount of Loss Recognized in Other Comprehensive Loss (Effective Portion) |  |  | 907 | 1,078 |  |  |
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Interest Expense (Effective Portion) |  |  | (3,242) | (6,555) |  |  |
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Loss on Termination of Swaps (Ineffective Portion) |  |  | (4,286) |  |  |  |
Qualifying | LIBOR Caps |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Fair Value, classified in Other Assets | $ 15 |  | $ 15 |  |  |  |
Cap rate (as a percent) | 2.00% |  | 2.00% |  |  |  |
Terminated hedges | Interest Rate Swaps |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Net deferred loss in accumulated other comprehensive loss | $ 900 |  | $ 900 |  |  | $ 1,100 |
Additional interest expense related to the amortization of the loss | 200 | 200 | 300 | 300 |  |  |
Reduction to interest expense related to the accretion of the net gains |  |  | 100 | $ 100 |  |  |
Amount of net deferred loss expected to be recorded to interest expense over the next twelve months | 500 |  | 500 |  |  |  |
Terminated hedges | Interest Rate Swaps | Maximum |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Reduction to interest expense related to the accretion of the net gains | 100 | $ 100 |  |  |  |  |
Terminated hedges | Interest Rate Swaps | Collateralized debt obligations |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |
Aggregate notional value | 134,600 |  | 134,600 |  |  |  |
Aggregate fair value | $ (4,300) |  | $ (4,300) |  |  |  |

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- Definition The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Definition The portion of losses on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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