Long-Term Debt and Credit Facilities - Long-Term Debt Outstanding (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jul. 15, 2023	Jul. 11, 2023	Dec. 31, 2022
Long-Term Debt and Credit Facilities.
Total debt	$ 1,060,609			$ 1,096,837
Less: Current portion of long-term debt	(30,029)			(154,802)
Long-term debt, net of current maturities	1,030,580			942,035
Senior Secured Term Loan
Long-Term Debt and Credit Facilities.
Total debt	37,921
Unamortized debt issuance costs	1,600
New Notes
Long-Term Debt and Credit Facilities.
Debt exchange premium	119,400
Other
Long-Term Debt and Credit Facilities.
Total debt	21,101			25,117
First lien credit agreement
Long-Term Debt and Credit Facilities.
Total debt				71,470
Debt discount				200
Unamortized debt issuance costs				900
Second Lien Secured Term Loan
Long-Term Debt and Credit Facilities.
Unamortized debt issuance costs	3,900
Second Lien Secured Term Loan | New Notes
Long-Term Debt and Credit Facilities.
Total debt	27,608
Senior secured notes
Long-Term Debt and Credit Facilities.
Debt discount				100
Unamortized debt issuance costs				100
July 2026 Notes
Long-Term Debt and Credit Facilities.
Total debt	0	$ 24,000		980,000
July 2026 Notes | Senior secured notes
Long-Term Debt and Credit Facilities.
Total debt	22,788			908,959
April 2026 Notes
Long-Term Debt and Credit Facilities.
Debt exchange premium			$ 142,300
April 2026 Notes | New Notes
Long-Term Debt and Credit Facilities.
Total debt	931,293
Senior Secured Notes Due2023 Member | Senior secured notes
Long-Term Debt and Credit Facilities.
Total debt				22,762
Senior Secured Notes Due2026 Member | Senior secured notes
Long-Term Debt and Credit Facilities.
Debt discount	900			58,800
Unamortized debt issuance costs	200			12,100
BRCC Facility | New Notes
Long-Term Debt and Credit Facilities.
Total debt	$ 19,898			$ 68,529