Benefit Plans - Liability Under Executive Benefit Plans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	$ 31,711	$ 32,007
Executive Benefit Plans | Supplemental Savings Incentive Plan and Director Deferral Plan
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	8,147	10,111
Noncurrent liabilities	74,976	84,664
Total liability	83,123	94,775
Executive Benefit Plans | Long-Term Retention Plan
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	173	178
Noncurrent liabilities	7,249	6,815
Total liability	7,422	6,993
Executive Benefit Plans | Officer Retention Plan
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	3,730	4,036
Noncurrent liabilities	35,959	37,008
Total liability	39,689	41,044
Executive Benefit Plans | Long-Term Performance Plan
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	7,738	8,247
Noncurrent liabilities	9,673	7,675
Total liability	$ 17,411	$ 15,922