Allowance for Loan Losses (Impaired Financing Receivables) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		$ 6,645
Commercial and Industrial Financing Receivable
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		90
Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		3,172
Construction Loans
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		295
Installment
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		1,243
Home Equity Line of Credit
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		243
Credit Card Receivable
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		296
Reserve on residential mortgage loans
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		1,306
Originated Loans
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 50,141	46,728
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	57,809	62,376
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	55,051	50,741
Impaired Financing Receivable, with Related Allowance, Recorded Investment	78,897	46,720
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	85,211	47,679
Individually evaluated for impairment	14,349	5,950	$ 6,146
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	62,887	44,367
Impaired Financing Receivable, Recorded Investment	129,038	93,448
Impaired Financing Receivable, Unpaid Principal Balance	143,020	110,055
Impaired Financing Receivable, Related Allowance	14,349	5,950
Impaired Financing Receivable, Average Recorded Investment	117,938	95,108
Originated Loans \| Commercial and Industrial Financing Receivable
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	21,066	11,451
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	23,854	18,207
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	27,215	14,193
Impaired Financing Receivable, with Related Allowance, Recorded Investment	22,752	308
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	28,881	344
Individually evaluated for impairment	11,837	72	3,235
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	11,284	326
Originated Loans \| Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	15,465	16,874
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	17,456	22,696
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	13,031	18,027
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,149	6,426
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,173	6,440
Individually evaluated for impairment	128	2,914	229
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	3,037	4,497
Originated Loans \| Construction Loans
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Individually evaluated for impairment	0	0	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	0
Originated Loans \| Installment
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,369	4,460
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,658	4,584
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,807	4,272
Impaired Financing Receivable, with Related Allowance, Recorded Investment	35,535	20,445
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	35,592	21,024
Individually evaluated for impairment	1,009	1,178	1,014
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	28,808	19,513
Originated Loans \| Home Equity Line of Credit
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	670	1,723
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	919	1,754
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	999	1,792
Impaired Financing Receivable, with Related Allowance, Recorded Investment	6,410	5,656
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	6,411	5,875
Individually evaluated for impairment	188	207	223
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	6,382	5,944
Originated Loans \| Credit Card Receivable
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	21	16
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	21	16
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	20	32
Impaired Financing Receivable, with Related Allowance, Recorded Investment	696	838
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	696	838
Individually evaluated for impairment	243	296	312
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	757	966
Originated Loans \| Reserve on residential mortgage loans
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	11,550	12,204
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	13,901	15,119
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	11,979	12,425
Impaired Financing Receivable, with Related Allowance, Recorded Investment	12,355	13,047
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	12,458	13,158
Individually evaluated for impairment	944	1,283	$ 1,133
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	$ 12,619	$ 13,121

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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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=49124121&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=49124121&loc=d3e5258-111524

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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 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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Amount of average investment of 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 17
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

Reference 2: 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=49124121&loc=d3e5212-111524

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