Allowance for Loan Losses Schedule of Troubled Debt Restructuring Current Period (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	133
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 3,225
C&I
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
C&I | Originated Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
C&I | Covered Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
Commercial Real Estate [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	85
Commercial Real Estate [Member] | Originated Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	85
Commercial Real Estate [Member] | Covered Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
Construction
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	537
Construction | Originated Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	537
Construction | Covered Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
Total commercial
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	622
Total commercial | Originated Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	622
Total commercial | Covered Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
Consumer Installment [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	109
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	1,737
Consumer Installment [Member] | Noncovered Consumer Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	109
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	1,737
Home Equity Line of Credit [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	14
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	794
Home Equity Line of Credit [Member] | Noncovered Consumer Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	14
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	794
Consumer Credit Card Financing Receivable [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	8
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	72
Consumer Credit Card Financing Receivable [Member] | Noncovered Consumer Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	8
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	72
Residential mortgages
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
Residential mortgages | Noncovered Consumer Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0
Total consumer
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	131
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	2,603
Total consumer | Noncovered Consumer Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	131
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 2,603