Employee Benefit Plans Summary of Pension Plan and Postretirement Plan Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 790	$ 856	$ 2,369	$ 2,567
Expected return on plan assets	(976)	(878)	(2,927)	(2,632)
Net amortization and deferral	0	81	0	242
Net periodic benefit	(186)	59	(558)	177
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	10	12	29	38
Net accretion and deferral	(135)	(137)	(406)	(409)
Net periodic benefit	$ (125)	$ (125)	$ (377)	$ (371)