Income Taxes - Income Tax Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Statutory federal income tax rate			35.00%	35.00%
Tax expense (benefit) at statutory rate on income before income taxes			$ 4,729	$ 5,132
Tax-exempt interest on investments			(454)	(494)
State income tax, net of federal benefits			570	660
Income from bank-owned life insurance			(96)	(106)
Income Tax Reconciliation, Merger Expenses Not Deductible			454	0
Other			14	14
Total income taxes	$ 2,558	$ 2,598	$ 5,217	$ 5,206