Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Line of Credit Facility
Less: Unamortized original issue discount	$ (5,412)	$ (6,511)
Less: Unamortized debt issuance cost	(25,390)	(31,310)
Finance leases	70	344
Total debt	1,232,448	1,259,755
Less: current portion	(18,463)	(13,327)
Total long-term portion of debt	1,213,985	1,246,428
Notes Payable \| Insurance financing notes payable
Line of Credit Facility
Short-term debt	5,055	0
Notes Payable \| Note payable secured by royalty interest
Line of Credit Facility
Long-term debt	10,438	26,511
Notes Payable \| Equipment notes payable
Line of Credit Facility
Long-term debt	87	321
Revolving Line-of-Credit \| Revolver
Line of Credit Facility
Long-term debt	$ 0	$ 0
Credit facility, interest rate	7.75%	8.50%
Senior Secured Credit Facility \| Term Loan
Line of Credit Facility
Long-term debt	$ 1,247,600	$ 1,270,400
Credit facility, interest rate	5.81%	6.56%

Amount, after accumulated amortization, of debt discount.

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