Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Dec. 31, 2015
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
ResidentialMortgagePrincipalBalanceRepurchaseRequestReceived	$ 543	$ 543
ResidentialMortgagePrincipalBalanceFHLBCreditEnhancement	120,000
ResidentialMortgageRepurchaseReservesFHLBCreditEnhancement	2,000	1,800
Residential Mortgage [Member] \| Reserve for Off-balance Sheet Activities [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Valuation Allowances and Reserves, Balance	$ 2,700	$ 2,600

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 09
-Article 12

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant