Employee Benefits - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Payment for Other Postretirement Benefits		$ 1,700,000
Postretirement Health Coverage | Salaried VEBA
Defined Benefit Plan Disclosure [Line Items]
Maximum contribution threshold	$ 2,900,000
Payment for Other Postretirement Benefits	0
Accrued salaries, wages and related expenses
Defined Benefit Plan Disclosure [Line Items]
Accrued salaries, wages and related expenses	4,800,000
Level 1 | Fair Value, Measurements, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of deferred compensation assets	$ 10,100,000		$ 10,500,000