Results of Impairment Review (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2015
Goodwill And Intangible Assets Disclosure [Abstract]
Pre-Impairment Net Carrying Value, Goodwill	$ 110,321	$ 110,321
Pre-Impairment Net Carrying Value, Intangible assets	89,109	89,109
Pre-Impairment Net Carrying Value, Total	199,430	199,430
Impairment Charge, Goodwill		(19,575)
Impairment Charge, Intangible assets		(21,867)
Impairment Charge, Total	(41,442)	(41,442)
Post-Impairment Net Carrying Value, Goodwill	90,746	90,746	$ 103,456
Post-Impairment Net Carrying Value, Intangible assets	67,242	67,242	$ 66,269
Post-Impairment Net Carrying Value, Total	$ 157,988	$ 157,988