Income Taxes Schedule of Effective Rate Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Income taxes at federal income tax rate	$ 2,470	$ 2,123	$ 4,102	$ 3,985
Income taxes at federal income tax rate - Percent of Pre-tax Income	35.00%	35.00%	35.00%	35.00%
Small life deduction	(82)	(114)	(191)	(228)
Small life deduction - Percent of Pre-tax	(1.16%)	(1.88%)	(1.63%)	(2.00%)
Non-deductible expenses	21	18	47	65
Non-deductible expenses - Percent of Pre-tax	0.30%	0.30%	0.40%	0.57%
Tax exempt interest	(39)	(32)	(70)	(65)
Tax exempt interest - Percent of Pre-tax	(0.55%)	(0.53%)	(0.60%)	(0.57%)
State taxes	76	123	246	249
State taxes - Percent of Pre-tax	1.08%	2.03%	2.10%	2.19%
Prior year tax true-up	0	0	0	(1)
Prior year true-up - Percent of Pre-tax	0.00%	0.00%	0.00%	(0.01%)
Non-controlling interest	(65)	0	(351)	0
Non-controlling interest - Percent of Pre-tax	(0.92%)	0.00%	(2.99%)	0.00%
Other, net	45	(10)	(3)	(10)
Other, net - Percent of Pre-tax	0.64%	(0.16%)	(0.03%)	(0.09%)
Income taxes	$ 2,426	$ 2,108	$ 3,780	$ 3,995
Income taxes - Percent of Pre-tax	34.39%	34.76%	32.25%	35.09%