Allowance for Loan and Lease Losses (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Orginated Loans and Leases [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	$ 19,910	$ 23,358
Interest Income Recognized With No Related Allowance	0	6
Orginated Loans and Leases [Member] | Commercial and Industrial Other [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	3,047	5,307
Interest Income Recognized With No Related Allowance	0	0
Orginated Loans and Leases [Member] | Commercial Real Estate - Construction [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	5,966	6,547
Interest Income Recognized With No Related Allowance	0	0
Orginated Loans and Leases [Member] | Commercial Real Estate Other [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	9,840	11,024
Interest Income Recognized With No Related Allowance	0	0
Orginated Loans and Leases [Member] | Residential real estate other [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	1,057	480
Interest Income Recognized With No Related Allowance	0	0
Acquired Loans and Leases [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	9,281	2,216
Interest Income Recognized With No Related Allowance	0	31
Acquired Loans and Leases [Member] | Commercial and Industrial Other [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	1,084	419
Interest Income Recognized With No Related Allowance	0	5
Acquired Loans and Leases [Member] | Commercial Real Estate - Construction [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	2,028	0
Interest Income Recognized With No Related Allowance	0	0
Acquired Loans and Leases [Member] | Commercial Real Estate Other [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	6,081	1,797
Interest Income Recognized With No Related Allowance	0	26
Acquired Loans and Leases [Member] | Residential real estate other [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment With No Related Allowance	88	0
Interest Income Recognized With No Related Allowance	$ 0	$ 0