Employee Benefits - Schedule of Reconciliation of Changes in Benefit Obligation and Fair value of Plan Assets As Well As the Funded Status Recognized in the Consolidated Statements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Benefits
Reconciliation of changes in benefit obligations
Benefit Obligation at Beginning of Year	$ 110,585	$ 117,647
Service Cost	0	0	$ 0
Interest Cost	3,097	2,924	3,627
Actuarial Losses (Gains)	(22,049)	(2,817)
Employer Benefits Paid	(7,179)	(7,169)
Benefit Obligation at End of Year	84,454	110,585	117,647
Reconciliation of changes in fair value of plan assets
Fair Value of Plan Assets at Beginning of Year	101,294	97,890
Actual Return on Plan Assets	(15,261)	10,103
Employer Contributions	470	470
Employer Benefits Paid	(7,179)	(7,169)
Fair Value of Plan Assets at End of Year	79,324	101,294	97,890
Funded Status at End of Year	(5,130)	(9,291)
Postretirement Benefits
Reconciliation of changes in benefit obligations
Benefit Obligation at Beginning of Year	29,270	31,507
Service Cost	584	678	578
Interest Cost	861	816	945
Actuarial Losses (Gains)	(7,577)	(2,514)
Employer Benefits Paid	(1,209)	(1,217)
Benefit Obligation at End of Year	21,929	29,270	$ 31,507
Reconciliation of changes in fair value of plan assets
Employer Contributions	1,209	1,217
Employer Benefits Paid	(1,209)	(1,217)
Funded Status at End of Year	$ (21,929)	$ (29,270)