Pension and Other Postretirement Benefit Plans - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Expense due to settlement		$ 22
Adjustment to other comprehensive income, net of taxes	$ 0	16	$ 0
Adjustment to other comprehensive income, tax	$ 0	(6)	0
Assumed time horizon (years)	20 years
Other postretirement benefit plan assets	$ 540,225	733,966
Expected benefits payable	$ 11,220
United States Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	15.00%
Non U.S. Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	850.00%
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expense due to settlement	$ 0	(22)	0
Decrease for remeasurement due to settlement	1,009
Adjustment to other comprehensive income, net of taxes	766
Adjustment to other comprehensive income, tax	265
Other postretirement benefit plan assets	540,225	733,966	740,978
Expected benefits payable	41,835
Pension Benefits | Nonqualified Plan
Defined Benefit Plan Disclosure [Line Items]
Expected benefits payable	1,950
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Expense due to settlement	0	0	0
Other postretirement benefit plan assets	0	0	$ 0
Expected benefits payable	$ 22,436
Commodity Derivatives
Defined Benefit Plan Disclosure [Line Items]
Expense due to settlement		$ 22