Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Statutory Rate applied to the pre-tax income	35.00%	35.00%	35.00%
Statutory Rate Times Pre-tax Income	$ 14,585	$ 14,145	$ 12,907
Add (Subtract) the Tax Effect of:
Income from Tax-exempt Loans and Investments	(2,250)	(1,697)	(1,157)
State Income Tax, Net of Federal Tax Effect	727	625	826
General Business Tax Credits	(750)	(562)	(556)
Company Owned Life Insurance	(296)	(289)	(338)
Gain on United Commerce Bancorp Stock	0	0	(120)
Other Differences	(410)	(153)	(98)
Total Income Taxes	$ 11,606	$ 12,069	$ 11,464