Debt - Summary of Detail Comprising Debt and Related Book Values (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total debt, before discount and deferred financing cost	$ 850,000	$ 1,031,060
Discount and deferred financing cost	(61,532)	(68,333)
Total debt, net of discount and deferred financing costs	788,468	962,727
Less: current portion of long-term debt	0	6,060
Long-term debt, net of discount and deferred financing costs	788,468	956,667
7.50% Senior Notes – due May 2022
Debt Instrument [Line Items]
Total debt, net of discount and deferred financing costs	0	6,060
Senior Notes | 12.00% Second-Priority Senior Secured Notes - due January 2026
Debt Instrument [Line Items]
Total debt, before discount and deferred financing cost	650,000	650,000
Senior Notes | 7.50% Senior Notes – due May 2022
Debt Instrument [Line Items]
Total debt, before discount and deferred financing cost	0	6,060
Line of Credit [Member] | Bank Credit Facility - matures November 2024
Debt Instrument [Line Items]
Total debt, before discount and deferred financing cost	$ 200,000	$ 375,000