Repurchase Agreements (Details 3) - Jun. 30, 2015 - USD ($) $ in Thousands	Total
Credit Suisse
Repurchase agreements counterparty risk
Amount at Risk	$ 391,709
Weighted Average Months to Maturity for Repurchase Agreements	1 month
Percent of Stockholders’ Equity	12.50%
Wells Fargo
Repurchase agreements counterparty risk
Amount at Risk	$ 370,409
Weighted Average Months to Maturity for Repurchase Agreements	6 months
Percent of Stockholders’ Equity	11.80%
Wells Fargo Bank
Repurchase agreements counterparty risk
Amount at Risk	$ 303,000
Wells Fargo Securities LLC
Repurchase agreements counterparty risk
Amount at Risk	67,400
RBC
Repurchase agreements counterparty risk
Amount at Risk	$ 350,755
Weighted Average Months to Maturity for Repurchase Agreements	3 months
Percent of Stockholders’ Equity	11.20%
RBC Barbados
Repurchase agreements counterparty risk
Amount at Risk	$ 188,400
Royal Bank of Canada
Repurchase agreements counterparty risk
Amount at Risk	153,000
RBC Capital Markets LLC
Repurchase agreements counterparty risk
Amount at Risk	9,400
UBS
Repurchase agreements counterparty risk
Amount at Risk	$ 214,069
Weighted Average Months to Maturity for Repurchase Agreements	7 months
Percent of Stockholders’ Equity	6.80%

Represents the minimum percentage of stockholders' equity at risk with respect to repurchase agreements with any single counterparty.

No definition available.

+ Details

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- Definition

The amount at risk under repurchase agreements is defined as the excess of carrying amount (or market value, if higher than the carrying amount or if there is no carrying amount) of the securities or other assets sold under agreement to repurchase, including accrued interest plus any cash or other assets on deposit to secure the repurchase obligation, over the amount of the repurchase liability (adjusted for accrued interest).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(m)(1)(i)(B)(iii))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Weighted average maturity (weighted by amount of the agreement) of repurchase agreements with the counterparty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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