Long-Term Debt - Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Long-term Debt
Unamortized discount	$ (2,633)	$ (1,770)
Unamortized deferred financing costs	(5,048)	(2,952)
Total long-term debt	334,819	307,778
Long-term debt, net of current maturities	$ 334,819	$ 307,778
Senior Credit Facility
Long-term Debt
Interest rate (as a percent)	9.50%
Long-term debt	$ 30,000
First Lien Credit Facility
Long-term Debt
Interest rate (as a percent)	6.38%	6.71%
Long-term debt	$ 312,500	$ 312,500