Long-Term Debt and Credit Facilities - Long-Term Debt Outstanding (Details) - USD ($) $ in Thousands	Dec. 09, 2021	Dec. 31, 2021	Dec. 07, 2021	Nov. 17, 2021	Dec. 31, 2020	Jul. 12, 2017
Long-Term Debt and Credit Facilities.
Total debt		$ 1,249,227			$ 1,537,956
Less: Current portion of long-term debt		(144,828)			(39,952)
Long-term debt, net of current maturities		1,104,399			1,498,004
Senior secured notes
Long-Term Debt and Credit Facilities.
Principal amount						$ 1,000,000
Interest rate (in percent)						10.00%
Other
Long-Term Debt and Credit Facilities.
Total debt		29,296			37,653
First lien credit agreement
Long-Term Debt and Credit Facilities.
Total debt		89,585			343,597
Debt discount		800			4,800
Unamortized debt issuance costs		2,800			17,100
Senior secured notes
Long-Term Debt and Credit Facilities.
Debt discount		200			11,300
Unamortized debt issuance costs		100			4,500
Revolver
Long-Term Debt and Credit Facilities.
Total debt		99,477			80,543
Securitization Facility
Long-Term Debt and Credit Facilities.
Total debt		91,947			91,947
Secured 2023 notes | Senior secured notes
Long-Term Debt and Credit Facilities.
Total debt		22,616			$ 984,216
Secured 2026 notes
Long-Term Debt and Credit Facilities.
Total debt		801,306
Principal amount	$ 790,500
Interest rate (in percent)	11.50%
Debt instrument, redemption price percentage	100.00%
Debt instrument redemption price premium, percentage on principle amount	1.00%
Debt Instrument Redemption price premium, basis spread on variable rate	50.00%
Secured 2026 notes | Senior secured notes
Long-Term Debt and Credit Facilities.
Debt exchange premium		15,400
Unamortized debt issuance costs		9,000
BRCC Facility [Member]
Long-Term Debt and Credit Facilities.
Total debt		$ 115,000
Principal amount			$ 115,000	$ 75,000
Interest rate (in percent)				11.50%