Allowance for Loan and Lease Losses Allowance for Loan and Lease Losses (Troubled Debt Restructurings on Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 133,187	$ 150,487
financing receivables, modifications, number of contracts at period end	2,624	2,842
Financing Receiables, Modifications, Unpaid Principal Balance	184,293	202,273
Commercial and Industrial Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,559	4,380
financing receivables, modifications, number of contracts at period end	40	27
Financing Receiables, Modifications, Unpaid Principal Balance	9,996	10,042
Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	57,657	66,577
financing receivables, modifications, number of contracts at period end	77	60
Financing Receiables, Modifications, Unpaid Principal Balance	79,307	78,184
Commercial Real Estate Construction Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,049	11,126
financing receivables, modifications, number of contracts at period end	40	38
Financing Receiables, Modifications, Unpaid Principal Balance	25,726	40,966
Commercial Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	68,265	82,083
financing receivables, modifications, number of contracts at period end	157	125
Financing Receiables, Modifications, Unpaid Principal Balance	115,029	129,192
Consumer Installment Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	27,790	30,870
financing receivables, modifications, number of contracts at period end	1,565	1,769
Financing Receiables, Modifications, Unpaid Principal Balance	29,078	32,653
Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	12,371	11,913
financing receivables, modifications, number of contracts at period end	286	261
Financing Receiables, Modifications, Unpaid Principal Balance	12,745	12,154
Consumer Credit Card Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,113	1,612
financing receivables, modifications, number of contracts at period end	307	389
Financing Receiables, Modifications, Unpaid Principal Balance	1,113	1,612
Residential Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	23,648	24,009
financing receivables, modifications, number of contracts at period end	309	298
Financing Receiables, Modifications, Unpaid Principal Balance	26,328	26,662
Consumer Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	64,922	68,404
financing receivables, modifications, number of contracts at period end	2,467	2,717
Financing Receiables, Modifications, Unpaid Principal Balance	69,264	73,081
Originated Loans Commercial | Commercial and Industrial Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	4,449	2,617
financing receivables, modifications, number of contracts at period end	35	24
Financing Receiables, Modifications, Unpaid Principal Balance	7,660	8,044
Originated Loans Commercial | Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	15,932	16,305
financing receivables, modifications, number of contracts at period end	52	40
Financing Receiables, Modifications, Unpaid Principal Balance	20,569	20,701
Originated Loans Commercial | Commercial Real Estate Construction Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	905	2,955
financing receivables, modifications, number of contracts at period end	30	28
Financing Receiables, Modifications, Unpaid Principal Balance	1,179	3,419
Originated Loans Commercial | Commercial Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	21,286	21,877
financing receivables, modifications, number of contracts at period end	117	92
Financing Receiables, Modifications, Unpaid Principal Balance	29,408	32,164
Originated Consumer Loans | Consumer Installment Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	27,285	30,870
financing receivables, modifications, number of contracts at period end	1,553	1,769
Financing Receiables, Modifications, Unpaid Principal Balance	28,536	32,653
Originated Consumer Loans | Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,725	6,281
financing receivables, modifications, number of contracts at period end	231	226
Financing Receiables, Modifications, Unpaid Principal Balance	7,054	6,488
Originated Consumer Loans | Consumer Credit Card Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,113	1,612
financing receivables, modifications, number of contracts at period end	307	389
Financing Receiables, Modifications, Unpaid Principal Balance	1,113	1,612
Originated Consumer Loans | Residential Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	23,067	24,009
financing receivables, modifications, number of contracts at period end	301	298
Financing Receiables, Modifications, Unpaid Principal Balance	25,676	26,662
Originated Consumer Loans | Consumer Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	58,190	62,772
financing receivables, modifications, number of contracts at period end	2,392	2,682
Financing Receiables, Modifications, Unpaid Principal Balance	62,379	67,415
Originated Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	79,476	84,649
financing receivables, modifications, number of contracts at period end	2,509	2,774
Financing Receiables, Modifications, Unpaid Principal Balance	91,787	99,579
Acquired Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,917
financing receivables, modifications, number of contracts at period end	29
Financing Receiables, Modifications, Unpaid Principal Balance	3,049
Acquired Loans | Commercial and Industrial Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	6
financing receivables, modifications, number of contracts at period end	1
Financing Receiables, Modifications, Unpaid Principal Balance	5
Acquired Loans | Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,730
financing receivables, modifications, number of contracts at period end	1
Financing Receiables, Modifications, Unpaid Principal Balance	1,730
Acquired Loans | Commercial Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,736
financing receivables, modifications, number of contracts at period end	2
Financing Receiables, Modifications, Unpaid Principal Balance	1,735
Acquired Loans | installment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	505
financing receivables, modifications, number of contracts at period end	12
Financing Receiables, Modifications, Unpaid Principal Balance	542
Acquired Loans | Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	245
financing receivables, modifications, number of contracts at period end	8
Financing Receiables, Modifications, Unpaid Principal Balance	270
Acquired Loans | Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	431
financing receivables, modifications, number of contracts at period end	7
Financing Receiables, Modifications, Unpaid Principal Balance	502
Acquired Loans | Consumer Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,181
financing receivables, modifications, number of contracts at period end	27
Financing Receiables, Modifications, Unpaid Principal Balance	1,314
Covered Loans Commercial | Commercial and Industrial Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,104	1,763
financing receivables, modifications, number of contracts at period end	4	3
Financing Receiables, Modifications, Unpaid Principal Balance	2,331	1,998
Covered Loans Commercial | Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	39,995	50,272
financing receivables, modifications, number of contracts at period end	24	20
Financing Receiables, Modifications, Unpaid Principal Balance	57,008	57,483
Covered Loans Commercial | Commercial Real Estate Construction Financing Receivable
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	4,144	8,171
financing receivables, modifications, number of contracts at period end	10	10
Financing Receiables, Modifications, Unpaid Principal Balance	24,547	37,547
Covered Loans Commercial | Commercial Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	45,243	60,206
financing receivables, modifications, number of contracts at period end	38	33
Financing Receiables, Modifications, Unpaid Principal Balance	83,886	97,028
Covered Loans Commercial | Consumer Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,551
financing receivables, modifications, number of contracts at period end	48
Financing Receiables, Modifications, Unpaid Principal Balance	5,571
Covered Consumer Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	50,794
Covered Consumer Loans | Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,401	5,632
financing receivables, modifications, number of contracts at period end	47	35
Financing Receiables, Modifications, Unpaid Principal Balance	5,421	5,666
Covered Consumer Loans | Residential Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	150
financing receivables, modifications, number of contracts at period end	1
Financing Receiables, Modifications, Unpaid Principal Balance	150
Covered TDR Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	50,794	65,838
financing receivables, modifications, number of contracts at period end	86	68
Financing Receiables, Modifications, Unpaid Principal Balance	89,457	102,694
Covered TDR Loans | Consumer Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment		$ 5,632