Loans and Leases (Details 12) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	$ 193,289	$ 290,791
Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	56,014	132,288
Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	137,275	158,503
Mortgage Loans on Real Estate [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	184,704	256,442
Mortgage Loans on Real Estate [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	48,987	101,161
Mortgage Loans on Real Estate [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	135,717	155,281
Real Estate Construction [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	2,686	6,911
Real Estate Construction [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	1,254	3,901
Real Estate Construction [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	1,432	3,010
Commercial Portfolio Segment [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	5,606	27,154
Commercial Portfolio Segment [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	5,480	26,942
Commercial Portfolio Segment [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	126	212
Consumer Portfolio Segment [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	293	284
Consumer Portfolio Segment [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	293	284
Consumer Portfolio Segment [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	$ 0	$ 0