Derivative Financial Instruments - Summary of TBA Contracts - 30 Year [Member]	Jun. 30, 2016 USD ($)
Derivatives, Fair Value [Line Items]
Notional Amount	$ (100,000,000)
Cost Basis	(106,922,000)
Market Value Of TBA Contract	(107,235,000)
Liabilities, at Fair Value	313
4.0% [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	(100,000,000)
Cost Basis	(106,922,000)
Market Value Of TBA Contract	(107,235,000)
Liabilities, at Fair Value	$ 313,000

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226003-175313

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

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