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Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ 6,100	$ 5,732	$ 7,730
State	1,196	1,532	658
Total current	7,296	7,264	8,388
Deferred:
Federal	3,183	3,603	392
State	555	230	60
Total deferred	3,738	3,833	452
Total income tax provision for continuing operations	$ 11,034	$ 11,097	$ 8,840

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