CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 61,216	$ 158,323	$ 351,705	$ 332,202
Other comprehensive income (loss)
Net changes in pension and other postretirement plan assets and benefit obligations recognized in other comprehensive income (loss), net of tax provision (benefit) of $6 and zero for the three months ended September 30, 2024 and 2023, respectively, and $16 and $2,436 for the nine months ended September 30, 2024 and 2023, respectively.	432	(65)	453	(2,210)
Other comprehensive income (loss), net	432	(65)	453	(2,210)
Comprehensive income (loss)	$ 61,648	$ 158,258	$ 352,158	$ 329,992