Fair Value Measurements (Details 3) - USD ($) | 6 Months Ended | 12 Months Ended | | | | |
Jun. 30, 2015 | Dec. 31, 2014 | Mar. 31, 2015 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 |
Non-Agency RMBS [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 473,132,679 | | $ 455,236,279 | | $ 509,545,172 | $ 548,337,038 | $ 381,244,949 | $ 309,840,562 |
Fair Value Measurements, Valuation Techniques | | Discounted Cash Flow | | Discounted Cash Flow | | | | | |
Non-Agency RMBS [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Yield | | Yield | | | | | |
Non-Agency RMBS [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 20.48% | | 35.48% | | | | | |
Non-Agency RMBS [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 3.05% | | 0.29% | | | | | |
Non-Agency RMBS [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.67% | | 5.30% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Prepayments [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Prepayments | | Projected Collateral Prepayments | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Prepayments [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 25.00% | | 12.00% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Prepayments [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Prepayments [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.91% | | 3.21% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Losses [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Losses | | Projected Collateral Losses | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Losses [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 35.00% | | 35.00% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Losses [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Losses [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 8.74% | | 13.07% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Severities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Severities | | Projected Collateral Severities | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Severities [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 80.00% | | 80.00% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Severities [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
Non-Agency RMBS [Member] | Projected Collateral Severities [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 35.45% | | 36.04% | | | | | |
Abs [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 61,094,356 | | | | | | | |
Abs [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 61,094,356 | | $ 66,693,243 | | 69,067,254 | 43,095,198 | 73,661,029 | 71,344,784 |
Fair Value Measurements, Valuation Techniques | | Discounted Cash Flow | | Discounted Cash Flow | | | | | |
Abs [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Yield | | Yield | | | | | |
Abs [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 7.64% | | 7.95% | | | | | |
Abs [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 4.61% | | 4.62% | | | | | |
Abs [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.66% | | 5.55% | | | | | |
Abs [Member] | Projected Collateral Prepayments [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Prepayments | | Projected Collateral Prepayments | | | | | |
Abs [Member] | Projected Collateral Prepayments [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 100.00% | | 100.00% | | | | | |
Abs [Member] | Projected Collateral Prepayments [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 20.00% | | 20.00% | | | | | |
Abs [Member] | Projected Collateral Prepayments [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 68.91% | | 88.56% | | | | | |
Abs [Member] | Projected Collateral Losses [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Losses | | Projected Collateral Losses | | | | | |
Abs [Member] | Projected Collateral Losses [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 2.00% | | 8.30% | | | | | |
Abs [Member] | Projected Collateral Losses [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 2.00% | | 0.00% | | | | | |
Abs [Member] | Projected Collateral Losses [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 2.00% | | 5.13% | | | | | |
Abs [Member] | Projected Collateral Severities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Severities | | Projected Collateral Severities | | | | | |
Abs [Member] | Projected Collateral Severities [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 50.00% | | 50.00% | | | | | |
Abs [Member] | Projected Collateral Severities [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 50.00% | | 0.00% | | | | | |
Abs [Member] | Projected Collateral Severities [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 50.00% | | 7.15% | | | | | |
CMBS [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 57,496,354 | | | | | | | |
CMBS [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 57,496,354 | | $ 39,343,274 | | 53,810,559 | 19,289,905 | 37,924,945 | 23,972,043 |
Fair Value Measurements, Valuation Techniques | | Discounted Cash Flow | | Discounted Cash Flow | | | | | |
CMBS [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Yield | | Yield | | | | | |
CMBS [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 15.92% | | 10.52% | | | | | |
CMBS [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 4.31% | | 4.80% | | | | | |
CMBS [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 6.06% | | 6.34% | | | | | |
CMBS [Member] | Projected Collateral Prepayments [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Prepayments | | Projected Collateral Prepayments | | | | | |
CMBS [Member] | Projected Collateral Prepayments [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 20.00% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Prepayments [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Prepayments [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 1.05% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Losses [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Losses | | Projected Collateral Losses | | | | | |
CMBS [Member] | Projected Collateral Losses [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Losses [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Losses [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Severities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Severities | | Projected Collateral Severities | | | | | |
CMBS [Member] | Projected Collateral Severities [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Severities [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS [Member] | Projected Collateral Severities [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS Interest Only [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 5,766,991 | | | | | | | |
CMBS Interest Only [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 5,766,991 | | $ 6,125,949 | | 6,006,027 | 6,629,380 | 6,398,258 | 6,324,735 |
Fair Value Measurements, Valuation Techniques | | Discounted Cash Flow | | Discounted Cash Flow | | | | | |
CMBS Interest Only [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Yield | | Yield | | | | | |
CMBS Interest Only [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.80% | | 5.78% | | | | | |
CMBS Interest Only [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.77% | | 5.72% | | | | | |
CMBS Interest Only [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.78% | | 5.73% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Prepayments [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Prepayments | | Projected Collateral Prepayments | | | | | |
CMBS Interest Only [Member] | Projected Collateral Prepayments [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 100.00% | | 100.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Prepayments [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 100.00% | | 100.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Prepayments [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 100.00% | | 100.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Losses [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Losses | | Projected Collateral Losses | | | | | |
CMBS Interest Only [Member] | Projected Collateral Losses [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Losses [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Losses [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Severities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Severities | | Projected Collateral Severities | | | | | |
CMBS Interest Only [Member] | Projected Collateral Severities [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Severities [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
CMBS Interest Only [Member] | Projected Collateral Severities [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 0.00% | | 0.00% | | | | | |
Agency RMBS | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 80,725,305 | | | | | | | |
Agency RMBS | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | | | $ 85,089,859 | | | | | |
Fair Value Measurements, Valuation Techniques | | Discounted Cash Flow | | Discounted Cash Flow | | | | | |
Agency RMBS | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Yield | | Yield | | | | | |
Agency RMBS | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 29.78% | | 23.67% | | | | | |
Agency RMBS | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.17% | | 5.60% | | | | | |
Agency RMBS | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 7.93% | | 8.90% | | | | | |
Agency RMBS | Projected Collateral Prepayments [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Prepayments | | Projected Collateral Prepayments | | | | | |
Agency RMBS | Projected Collateral Prepayments [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 7.20% | | 8.36% | | | | | |
Agency RMBS | Projected Collateral Prepayments [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 3.56% | | 1.98% | | | | | |
Agency RMBS | Projected Collateral Prepayments [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 5.45% | | 6.44% | | | | | |
Agency RMBS | Projected Collateral Losses [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Losses | | Projected Collateral Losses | | | | | |
Agency RMBS | Projected Collateral Losses [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 8.38% | | 9.64% | | | | | |
Agency RMBS | Projected Collateral Losses [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 4.47% | | 4.47% | | | | | |
Agency RMBS | Projected Collateral Losses [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 6.32% | | 6.20% | | | | | |
Agency RMBS | Projected Collateral Severities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Projected Collateral Severities | | Projected Collateral Severities | | | | | |
Agency RMBS | Projected Collateral Severities [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 39.25% | | 41.94% | | | | | |
Agency RMBS | Projected Collateral Severities [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 30.25% | | 20.93% | | | | | |
Agency RMBS | Projected Collateral Severities [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 34.62% | | 27.65% | | | | | |
Commercial Loans [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 72,800,000 | | | | | | | |
Commercial Loans [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 72,800,000 | | $ 72,800,000 | | 72,800,000 | 72,800,000 | 10,000,000 | 0 |
Fair Value Measurements, Valuation Techniques | | Discounted Cash Flow | | Discounted Cash Flow | | | | | |
Commercial Loans [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Yield | | Yield | | | | | |
Commercial Loans [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 15.99% | | 15.77% | | | | | |
Commercial Loans [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 6.16% | | 6.15% | | | | | |
Commercial Loans [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 8.31% | | 8.55% | | | | | |
Commercial Loans [Member] | Credit Spread [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Credit Spread | | Credit Spread | | | | | |
Commercial Loans [Member] | Credit Spread [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 13.25% | | 13.25% | | | | | |
Commercial Loans [Member] | Credit Spread [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 4.75% | | 4.75% | | | | | |
Commercial Loans [Member] | Credit Spread [Member] | Weighted Average [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 6.54% | | | | | |
Commercial Loans [Member] | Credit Spread [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 6.54% | | | | | | | |
Commercial Loans [Member] | Recovery Percentage [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Recovery Percentage* | [1] | Recovery Percentage** | [2],[3] | | | | |
Commercial Loans [Member] | Recovery Percentage [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 100.00% | | 100.00% | | | | | |
Commercial Loans [Member] | Recovery Percentage [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 100.00% | | 100.00% | | | | | |
Commercial Loans [Member] | Recovery Percentage [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 100.00% | | 100.00% | | | | | |
Excess Mortgage Servicing Rights [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 529,946 | | | | | | | |
Excess Mortgage Servicing Rights [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 529,946 | | $ 628,367 | | $ 579,734 | 730,146 | 0 | 0 |
Fair Value Measurements, Valuation Techniques | | Discounted Cash Flow | | Discounted Cash Flow | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | Yield | | | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | Option One [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | | | Yield | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Fair Value, Inputs, Level 3 [Member] | Option Two [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | | | | Yield | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 15.25% | | | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | Option One [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 12.52% | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | Option Two [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 6.45% | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 11.90% | | | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | Option One [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 9.09% | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | Option Two [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 4.49% | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | 14.62% | | | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Option One [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 9.78% | | | | | |
Excess Mortgage Servicing Rights [Member] | Yield [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Option Two [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 5.50% | | | | | |
Linked Transactions [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | $ 0 | | $ 5,082,731 | [2] | | $ 8,547,625 | $ 9,911,059 | $ 14,723,169 |
Fair Value Measurements, Valuation Techniques | [2] | | | Discounted Cash Flow | | | | | |
Linked Transactions [Member] | Projected Collateral Prepayments [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | [2] | | | Projected Collateral Prepayments | | | | | |
Linked Transactions [Member] | Projected Collateral Prepayments [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 12.00% | | | | | |
Linked Transactions [Member] | Projected Collateral Prepayments [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 3.00% | | | | | |
Linked Transactions [Member] | Projected Collateral Prepayments [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 6.94% | | | | | |
Linked Transactions [Member] | Projected Collateral Losses [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | [2] | | | Projected Collateral Losses | | | | | |
Linked Transactions [Member] | Projected Collateral Losses [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 14.00% | | | | | |
Linked Transactions [Member] | Projected Collateral Losses [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 4.00% | | | | | |
Linked Transactions [Member] | Projected Collateral Losses [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 8.09% | | | | | |
Linked Transactions [Member] | Projected Collateral Severities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Measurements Unobservable Input Description | [2] | | | Projected Collateral Severities | | | | | |
Linked Transactions [Member] | Projected Collateral Severities [Member] | Maximum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 60.00% | | | | | |
Linked Transactions [Member] | Projected Collateral Severities [Member] | Minimum [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 42.00% | | | | | |
Linked Transactions [Member] | Projected Collateral Severities [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | | | | | | | | | |
Fair Value Input Interest Rate | | | | 52.87% | | | | | |
| |
[1] | Represents the proportion of the principal expected to be collected relative to the loan balances as of June 30, 2015. | |
[2] | Linked Transactions are comprised of unobservable inputs from Non-Agency RMBS investments. | |
[3] | Represents the proportion of the principal expected to be collected relative to the loan balances as of December 31, 2014. | |