Employee Benefit Plans - Pension Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net periodic benefit cost
Service cost	$ 37	$ 53
Interest cost	$ 3,050	$ 1,910
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Income (Expense), Nonoperating, Net	Interest Income (Expense), Nonoperating, Net
Employer contributions	$ 2,993	$ 2,866
Total employer contributions to pension plans	3,000	2,900
Pension And Postretirement
Net periodic benefit cost
Service cost	37	53
Interest cost	3,050	1,910
Expected return on plan assets	(2,717)	(2,856)
Amortization of prior service cost	124	273
Amortization of net loss	1,664	1,616
Net periodic benefit cost	$ 2,158	$ 996