Long-Term Debt and Credit Facilities - Long-Term Debt Outstanding (Details) - USD ($) $ in Thousands	Dec. 09, 2021	Mar. 31, 2022	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			(236,775)			(39,952)
Long-term debt, net of current maturities			1,012,452			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
Less: Current portion of long-term debt		$ (230,600)	(236,700)
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
Long-Term Debt and Credit Facilities.
Total debt			$ 115,000
Principal amount				$ 115,000	$ 75,000
Interest rate (in percent)					11.50%