Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Income Taxes [Abstract]
Forecasted annual effective tax rate (in hundredths)			37.90%		38.20%
Tax expense and effective income tax rates [Abstract]
Income (loss) from continuing operations before income taxes	$ 4,708	$ (2,096)	$ 5,379	$ (4,541)
Income tax expense (benefit)	2,104	(513)	1,453	(1,331)
Effective tax rate (in hundredths)	44.70%	24.50%	27.00%	29.30%
Change in reserve for unrecognized tax benefits	216
Other discrete expenses	14		604
Unrecognized tax benefits	1,984		1,984		2,093
Decrease in reserve for uncertain tax positions			$ 109