Employee Benefits - Schedule of Amounts Recognized in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Amounts Recognized in Accumulated Other Comprehensive Income (Loss), Net of Tax
Net Actuarial Gains (Losses)	$ (31,984)	$ (35,014)
Net Prior Service Credit	0	0
Total Amounts Recognized in Accumulated Other Comprehensive Income (Loss), Net of Tax	(31,984)	(35,014)
Postretirement Benefits
Amounts Recognized in Accumulated Other Comprehensive Income (Loss), Net of Tax
Net Actuarial Gains (Losses)	5,803	235
Net Prior Service Credit	1,103	1,283
Total Amounts Recognized in Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 6,906	$ 1,518