Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ 7,372
State	302
Total Current	7,674
Deferred:
Federal	116
Total	7,790	3,176	9,702
As Adjusted [Member]
Current:
Federal		4,529	11,617
State		172	254
Total Current		4,701	11,871
Deferred:
Federal		(1,525)	(2,169)
Total		$ 3,176	$ 9,702