Income Taxes (Schedule of Allocation of Federal and State Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Current
Federal									$ 3,043	$ 2,827
State									845	678
Current income tax expense (benefit), total									3,888	3,505
Deferred
Federal									(94)	(631)
State									(23)	(98)
Deferred income tax expense (benefit), total									(117)	(729)
Income tax expense (benefit), total	$ 885	$ 987	$ 909	$ 990	$ 866	$ 830	$ 493	$ 587	$ 3,771	$ 2,776