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Valuation Qualtitative Information (Details) - Level 3 [Member] - USD ($)

Mar. 31, 2016

Dec. 31, 2015

Non-Agency RMBS [Member] | Discounted Cash Flows [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Fair Value

$ 2,144,000

$ 4,020,000

Non-Agency RMBS [Member] | Discounted Cash Flows [Member] | Minimum [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Yield

4.80%

8.80%

Projected Collateral Prepayments

32.30%

32.50%

Projected Collateral Losses

2.20%

1.30%

Projected Collateral Recoveries

3.00%

3.40%

Projected Collateral Scheduled Amortization

26.10%

13.10%

Non-Agency RMBS [Member] | Discounted Cash Flows [Member] | Maximum [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Yield

23.80%

25.70%

Projected Collateral Prepayments

67.50%

68.70%

Projected Collateral Losses

3.40%

9.00%

Projected Collateral Recoveries

4.60%

9.20%

Projected Collateral Scheduled Amortization

60.90%

60.10%

Non-Agency RMBS [Member] | Discounted Cash Flows [Member] | Weighted Average [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Yield

^[1]

11.90%

13.40%

Projected Collateral Prepayments

^[1]

54.40%

60.50%

Projected Collateral Losses

^[1]

3.00%

5.30%

Projected Collateral Recoveries

^[1]

3.60%

6.40%

Projected Collateral Scheduled Amortization

^[1]

39.00%

27.80%

Projected Total

^[1]

100.00%

100.00%

Interest-Only [Member] | Agency RMBS [Member] | Market Quotes [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Fair Value

$ 4,692,000

$ 5,645,000

Interest-Only [Member] | Agency RMBS [Member] | Market Quotes [Member] | Minimum [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Non-Binding Third-Party Valuation

4.29

4.39

Interest-Only [Member] | Agency RMBS [Member] | Market Quotes [Member] | Maximum [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Non-Binding Third-Party Valuation

21.68

21.63

Interest-Only [Member] | Agency RMBS [Member] | Market Quotes [Member] | Weighted Average [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Non-Binding Third-Party Valuation

^[1]

10.93

11.88

Interest-Only [Member] | Agency RMBS [Member] | Income Approach Valuation Technique [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Fair Value

$ 2,239,000

$ 2,113,000

Interest-Only [Member] | Agency RMBS [Member] | Income Approach Valuation Technique [Member] | Minimum [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Projected Collateral Prepayments

61.50%

52.70%

Projected Collateral Scheduled Amortization

16.20%

12.00%

LIBOR OAS

^[2]

5.10%

2.21%

Interest-Only [Member] | Agency RMBS [Member] | Income Approach Valuation Technique [Member] | Maximum [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Projected Collateral Prepayments

83.80%

88.00%

Projected Collateral Scheduled Amortization

38.50%

47.30%

LIBOR OAS

^[2]

22.19%

9.84%

Interest-Only [Member] | Agency RMBS [Member] | Income Approach Valuation Technique [Member] | Weighted Average [Member]

Fair Value Inputs, Assets, Quantitative Information [Line Items]

Projected Collateral Prepayments

^[1]

77.40%

74.10%

Projected Collateral Scheduled Amortization

^[1]

22.60%

25.90%

Projected Total

^[1]

100.00%

100.00%

LIBOR OAS

^[1],[2]

7.77%

5.76%

[1]	Averages are weighted based on the fair value of the related instrument.
[2]	Shown in basis points.

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+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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