Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jan. 18, 2024	Dec. 31, 2023	Oct. 07, 2020	Jul. 31, 2019
Assets:
Pension plans	$ 3,936		$ 19,113
Liabilities:
Face value of debt instrument		$ 450,000
Senior Notes 7.00 Percent Due 2027
Liabilities:
Stated interest rate (as a percent)	7.00%				7.00%
Face value of debt instrument	$ 400,000		400,000		$ 400,000
Fair value of debt instrument	$ 400,500		390,516
Senior Notes 6.875 Percent Due 2029
Liabilities:
Stated interest rate (as a percent)	6.875%			6.875%
Face value of debt instrument	$ 350,000		350,000	$ 350,000
Fair value of debt instrument	$ 347,813		$ 340,130
Senior Notes 8.250 Percent Due 2032
Liabilities:
Stated interest rate (as a percent)	8.25%	8.25%
Face value of debt instrument	$ 450,000	$ 450,000
Fair value of debt instrument	$ 464,063
Forward derivative contracts
Assets:
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Derivative Asset, Current		Derivative Asset, Current
Liabilities:
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Derivative Liability, Current		Derivative Liability, Current
Recurring basis | Exchange-Traded Derivatives
Assets:
Cash collateral netting	$ 21,943		$ (20,642)
Recurring basis | Total estimated fair value
Assets:
Pension plans	3,936		19,113
Fair value	37,781		49,548
Recurring basis | Total estimated fair value | Forward derivative contracts
Assets:
Derivative assets	13,710		17,656
Liabilities:
Derivative liabilities	(6,105)		(4,987)
Recurring basis | Total estimated fair value | Exchange-Traded Derivatives
Assets:
Exchange-traded/cleared derivative instruments	20,135		12,779
Recurring basis | Total estimated fair value | Level 1
Assets:
Pension plans	3,936		19,113
Fair value	2,128		52,534
Recurring basis | Total estimated fair value | Level 1 | Exchange-Traded Derivatives
Assets:
Exchange-traded/cleared derivative instruments	(1,808)		33,421
Recurring basis | Total estimated fair value | Level 2
Assets:
Fair value	13,710		17,656
Recurring basis | Total estimated fair value | Level 2 | Forward derivative contracts
Assets:
Derivative assets	13,710		17,656
Liabilities:
Derivative liabilities	$ (6,105)		$ (4,987)