Long-Term Debt and Credit Facilities (Details) $ in Thousands							1 Months Ended		3 Months Ended		9 Months Ended
	Jul. 11, 2023 USD ($)	Jun. 10, 2023 USD ($) installment	Feb. 27, 2023 USD ($)	May 06, 2022 USD ($)	Mar. 07, 2022 USD ($)	Dec. 09, 2021 USD ($)	Aug. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jul. 15, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 07, 2021 USD ($)	Nov. 17, 2021 USD ($)	Jul. 12, 2017 USD ($)
Long-Term Debt and Credit Facilities.
Outstanding debt									$ 1,091,996		$ 1,091,996			$ 1,096,837
Borrowings from senior secured revolving facility and BRCC revolver											9,600	$ 20,000
Debt modification and extinguishment costs (gain)									571	$ 4,696	16,129	(4,305)
Second Lien Secured Term Loan
Long-Term Debt and Credit Facilities.
Outstanding borrowings under the facility									31,500		31,500
2023 notes
Long-Term Debt and Credit Facilities.
Interest rate (in percent)																		10.00%
Debt instrument face amount exchanged	$ 3,000
Outstanding debt									$ 9,000		9,000
Debt instrument, repayment made in cash	9,000
Debt modification and extinguishment costs (gain)											$ 9,900
2026 notes
Long-Term Debt and Credit Facilities.
Principal amount																		$ 1,000,000
Interest rate (in percent)									11.50%		11.50%
Debt repayment in cash						$ 225,000
Debt instrument face amount exchanged	956,000					$ 662,700
Outstanding debt	24,000								$ 0		$ 0			$ 980,000
True-up advance paid				$ 5,000
Debt instrument, redemption price percentage											100.00%
Senior Secured New Notes
Long-Term Debt and Credit Facilities.
Principal amount	767,800												$ 44,100
Outstanding debt									$ 811,900		$ 811,900
New Notes issued under the 2023 Exchange
Long-Term Debt and Credit Facilities.
Principal amount	764,800
Public exchange offer per $1,000 of principal amount	800
Debt instrument face amount exchanged	$ 764,800
New Notes issued as consideration for the private exchange of 2023 Term Loans
Long-Term Debt and Credit Facilities.
Interest rate (in percent)	11.50%
Redemption price percentage	100.00%
Debt instrument, redemption price percentage	101.00%
BRCC Facility
Long-Term Debt and Credit Facilities.
Principal amount																$ 115,000	$ 75,000
Interest rate (in percent)																	11.50%
Default rate (in percent)																	13.50%
Maximum borrowing capacity			$ 35,000												$ 51,000
Borrowings from senior secured revolving facility and BRCC revolver			9,600
Transaction fee			$ 5,000
BRCC Facility | SOFR
Long-Term Debt and Credit Facilities.
Variable interest rate (as a percent)			7.50%
BRCC Term Loan
Long-Term Debt and Credit Facilities.
Debt instrument, repayment made in cash												48,500
Debt modification and extinguishment costs (gain)												1,600
BRCC Revolver
Long-Term Debt and Credit Facilities.
Outstanding debt		$ 3,900								25,900		25,900
Debt instrument, repayment made in cash											3,700
Number of installments | installment		11
Monthly installments		$ 2,000
Proceeds from initial borrowings											9,600
2023 Term Loans
Long-Term Debt and Credit Facilities.
Debt modification and extinguishment costs (gain)											$ 7,100
Exchange Notes
Long-Term Debt and Credit Facilities.
Debt modification and extinguishment costs (gain)										5,300		5,300
Write off of previously recognized debt issuance costs										100		100
Revolving Loan Exchange and Prepayment Agreement
Long-Term Debt and Credit Facilities.
Principal amount								$ 9,000
Net proceeds from 2026 notes								2,600
Debt repayment in cash								$ 2,100
Outstanding debt							$ 20,200
Line of credit facility cash					$ 50,000
Debt instruments liability recognized on original issuance discount					17,400
Debt instruments accrued additional true up liability												$ 13,600
True-up advance paid							9,900
Write off of previously recognized debt issuance costs					200
Revolving Loan Exchange and Prepayment Agreement | Other expense
Long-Term Debt and Credit Facilities.
Amount of accrued true up liability expense										$ 1,100
Revolving Loan Exchange and Prepayment Agreement | Senior secured revolving facility
Long-Term Debt and Credit Facilities.
Debt instrument face amount exchanged					100,000
Revolving Loan Exchange and Prepayment Agreement | 2026 notes
Long-Term Debt and Credit Facilities.
Principal amount							$ 21,000
Line of credit facility on notes					50,000
Collateral amount				$ 20,000	$ 10,000