Loan Quality (Impaired Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Allowance	$ 25,201		$ 24,469
Unpaid Principal Balance With No Allowance	30,268		28,998
Recorded Investment With Allowance	797		2,136
Unpaid Principal Balance With Allowance	3,169		2,991
Related Allowance	92		231
Average Recorded Investment	26,417	31,633
Interest Income Recognized	161	104
First Liens
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Allowance	1,674		1,804
Unpaid Principal Balance With No Allowance	1,846		2,002
Recorded Investment With Allowance	146
Unpaid Principal Balance With Allowance	146
Related Allowance	23
Average Recorded Investment	1,829	3,218
Interest Income Recognized	8	10
Residential Real Estate Junior Liens & Lines of Credit [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Allowance	145		169
Unpaid Principal Balance With No Allowance	172		195
Average Recorded Investment	145	126
Interest Income Recognized
Residential Real Estate 1-4 Family [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Allowance	1,819		1,973
Unpaid Principal Balance With No Allowance	2,018		2,197
Recorded Investment With Allowance	146
Unpaid Principal Balance With Allowance	146
Related Allowance	23
Average Recorded Investment	1,974	3,344
Interest Income Recognized	8	10
Residential Real Estate - Construction [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Allowance	519		931
Unpaid Principal Balance With No Allowance	553		977
Recorded Investment With Allowance	410
Unpaid Principal Balance With Allowance	424
Related Allowance	21
Average Recorded Investment	931	532
Interest Income Recognized	84
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Allowance	21,738		21,487
Unpaid Principal Balance With No Allowance	25,649		25,744
Recorded Investment With Allowance	232		862
Unpaid Principal Balance With Allowance	2,589		1,001
Related Allowance	39		60
Average Recorded Investment	22,187	25,665
Interest Income Recognized	69	93
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Allowance	1,125		78
Unpaid Principal Balance With No Allowance	2,048		80
Recorded Investment With Allowance	9		1,274
Unpaid Principal Balance With Allowance	10		1,990
Related Allowance	9		171
Average Recorded Investment	1,325	2,092
Interest Income Recognized		$ 1

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

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- Definition

Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953550-111524

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- Definition

Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.

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