Allowance for Loan Losses Schedule of Defaulted Troubled Debt Restructuring (Details) $ in Thousands	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2014 USD ($)
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	4		11
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 408		$ 666
Credit Card Receivable
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	1		7
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1		$ 31
Credit Card Receivable | Originated Consumer Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	1		7
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1		$ 31
Commercial and Industrial
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 170
Commercial and Industrial | Originated Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 170
Commercial and Industrial | Covered Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Commercial and Industrial | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Commercial Real Estate
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 363
Commercial Real Estate | Originated Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 363
Commercial Real Estate | Covered Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Commercial Real Estate | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Construction Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Construction Loans | Originated Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Construction Loans | Covered Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Construction Loans | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Commercial Loan
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 533
Commercial Loan | Originated Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 533
Commercial Loan | Covered Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Commercial Loan | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Consumer Installment
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	2		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 39		$ 3
Consumer Installment | Originated Consumer Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	1		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 6		$ 3
Consumer Installment | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end		1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		$ 33	$ 0
Home Equity Line of Credit
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Home Equity Line of Credit | Originated Consumer Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	0		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0		$ 0
Home Equity Line of Credit | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end		0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		$ 0	$ 0
Residential Mortgages
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	1		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 368		$ 99
Residential Mortgages | Originated Consumer Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	1		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 368		$ 99
Residential Mortgages | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end		0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		$ 0	$ 0
Total consumer
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	4		9
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 408		$ 133
Total consumer | Originated Consumer Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	3		9
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 375		$ 133
Total consumer | Acquired Loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Financing receivable, modifications, subsequent default, number of contracts at period end	1		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 33		$ 0