Loans and Allowance for Loan Losses - Troubled Debt Restructuring Loan Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 contracts	Jun. 30, 2013 contracts	Jun. 30, 2014 contracts	Jun. 30, 2013 contracts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts	1	32	101	54
Recorded Investment	$ 500	$ 619	$ 8,567	$ 984
Unpaid Principal	500	732	11,753	1,288
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts	1	4	19	4
Recorded Investment	500	104	6,630	104
Unpaid Principal	500	110	8,940	110
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts	0		1
Recorded Investment	0		0
Unpaid Principal	0		170
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts	0	1	13	2
Recorded Investment	0	109	948	132
Unpaid Principal	0	109	1,052	143
Home equity loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts	0	8	28	16
Recorded Investment	0	233	761	476
Unpaid Principal	0	325	1,296	686
Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts	0	19	39	32
Recorded Investment	0	173	164	272
Unpaid Principal	0	188	231	349
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts	0		1
Recorded Investment	0		64
Unpaid Principal	$ 0		$ 64