Commitments and Contingencies - Schedule for Unfunded Commitments (Details) (Reserve for Off-balance Sheet Activities [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Reserve for Off-balance Sheet Activities [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of period	$ 4,749	$ 4,593	$ 4,384	$ 5,662
Provision (benefit)	273	64	638	(1,005)
Balance, end of period	$ 5,022	$ 4,657	$ 5,022	$ 4,657

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