Repurchase Agreements Repurchase Agreements, Counterparty Information (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014 Agreements
Counterparty Information [Line Items]
Line of Credit Facility, Amount Outstanding	$ 27,888
Line of Credit Facility, Maximum Borrowing Capacity	$ 250,000
Line of Credit Facility, Interest Rate at Period End	1.46%
Number of Counterparties with Borrowings Outstanding	23
Available Repurchase Agreement Counterparties	32

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Number of counterparties with whom the Company has borrowing agreements.

+ References

No definition available.

+ Details

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- Definition

Number of lending counterparties with whom the Company has amounts outstanding as of reporting period.

+ References

No definition available.

+ Details

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- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant