Goodwill and Other Intangible Assets (Changes in Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Line Items]
Goodwill	$ 48,376us-gaap_GoodwillGross	$ 48,376us-gaap_GoodwillGross	$ 48,376us-gaap_GoodwillGross
Accumulated impairment losses	(3,570)	(3,570)	(740)
Reported goodwill	44,806us-gaap_Goodwill	44,806us-gaap_Goodwill	47,636us-gaap_Goodwill
Activity for the year	0us-gaap_GoodwillPeriodIncreaseDecrease	(2,830)us-gaap_GoodwillPeriodIncreaseDecrease
Banking
Goodwill [Line Items]
Goodwill	40,902	40,902	40,902
Accumulated impairment losses	0	0	0
Reported goodwill	40,902	40,902	40,902
Activity for the year	0	0
Financial Services
Goodwill [Line Items]
Goodwill	7,474	7,474	7,474
Accumulated impairment losses	(3,570)	(3,570)	(740)
Reported goodwill	3,904	3,904	6,734
Activity for the year	$ 0	$ (2,830)

Amount after accumulated impairment loss 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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

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

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