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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ 5,378	$ 857	$ 1,211
State	685	(474)	606
Total	6,063	383	1,817
Deferred:
Federal	341	283	601
State	(76)	171	156
Total	265	454	757
Total provision	$ 6,328	$ 837	$ 2,574

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