Income Tax (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
Currently Payable:
Federal	$ 1,947	$ 1,646	$ 428	$ 740
State	135		245
Deferred:
Federal	3,560	2,509	9,338	8,083
State
Total Income Tax Expense	5,642	4,155	10,011	8,823
Reconciliation of Federal Statutory to Actual Tax Expense:
Federal statutory income tax at 35%	7,281	5,239	13,577	11,026
Tax-exempt interest income	(1,270)	(921)	(2,495)	(1,818)
Stock compensation	8	15	21	26
Earnings on life insurance	(228)	(214)	(490)	(459)
Tax credits	(297)	(18)	(595)	(36)
Other	148	54	(7)	84
Total Income Tax Expense	$ 5,642	$ 4,155	$ 10,011	$ 8,823
Federal statutory income tax rate	35.00%	35.00%	35.00%	35.00%