Selected Quarterly Financial Information (Schedule of Quarterly Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenue	$ 92,861	$ 101,950	$ 101,511	$ 96,978	$ 92,233	$ 99,231	$ 98,916	$ 95,522	$ 393,300	$ 385,902	$ 389,774
Operating income	(15,073)	9,047	10,085	10,762	3,937	5,210	5,943	6,846	14,821	21,936	28,999
Income (loss) from continuing operations	$ (15,649)	$ 1,996	797	(240)	$ (5,672)	$ (3,685)	(14,367)	47	$ (13,096)	(23,677)	(991)
Correction
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenue			$ 300	$ 300			$ 700	$ 1,000		$ (2,089)	$ (714)