Long-Term Debt and Credit Facility - First Lien Credit Facility (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Oct. 15, 2015	Aug. 17, 2015	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014
Long-term Debt
Interest expense related to amortization of deferred financing costs and discount				$ 5,648	$ 591
First Lien Credit Facility
Long-term Debt
Fronting fee for letters of credit (as a percent)		0.125%
Maximum net leverage ratio		7.00
Eurodollar rate | First Lien Credit Facility
Long-term Debt
Interest rate floor (as a percent)		1.00%
Applicable margin over reference rate (as a percent)		4.50%
Base rate | First Lien Credit Facility
Long-term Debt
Applicable margin over reference rate (as a percent)		3.50%
Term Loan | First Lien Credit Facility
Long-term Debt
Maximum borrowing capacity		$ 435,000
Amount repaid	$ 112,500		$ 10,000
Interest expense related to amortization of deferred financing costs and discount				$ 4,687
Revolving Credit Facility | First Lien Credit Facility
Long-term Debt
Maximum borrowing capacity		$ 40,000
Fronting fee for letters of credit (as a percent)				0.125%
Amount drawn to trigger net leverage requirement (as a percent)		50.00%
Letters of credit outstanding			100	$ 100
Amount outstanding			$ 0	$ 0
Revolving Credit Facility | First Lien Credit Facility | Minimum
Long-term Debt
Unused commitment fee (as a percent)		0.375%
Revolving Credit Facility | First Lien Credit Facility | Maximum
Long-term Debt
Unused commitment fee (as a percent)		0.50%