Goodwill and Other Intangible Assets (Additional Information) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill, Period Increase (Decrease)	$ 0us-gaap_GoodwillPeriodIncreaseDecrease	$ (2,830)us-gaap_GoodwillPeriodIncreaseDecrease
Financial Services
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill, Period Increase (Decrease)	$ 0	$ (2,830)

Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration