Employee Benefits - Components of Net Periodic Pension Cost and Other Changes in Plan Assets and Benefit Obligation Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of Net Periodic Pension Cost
Interest cost on projected benefit obligation	$ 3,812	$ 3,160	$ 2,950
Expected return on plan assets	(3,932)	(3,158)	(2,677)
Recognized net actuarial loss	1,725	1,229	1,051
Settlement charge	0	1,097	1,629
Net Periodic Pension Expense	$ 1,605	$ 2,328	$ 2,953
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Net employee benefit plan (gains) losses reclassified into earnings	Net employee benefit plan (gains) losses reclassified into earnings	Net employee benefit plan (gains) losses reclassified into earnings
Other Changes in Plan Assets and Benefit Obligation Recognized in Other Comprehensive Income (Loss)
Net actuarial loss	$ 1,453	$ 3,706	$ 1,137
Recognized net actuarial loss	(1,725)	(1,229)	(1,051)
Settlement loss recognized	0	(1,097)	(1,629)
Total Changes in Plan Assets and Benefit Obligation Before Tax Effects	(272)	1,380	(1,543)
Total Recognized in Net Benefit Cost and Other Comprehensive Income (Before Tax Effects)	$ 1,333	$ 3,708	$ 1,410