Benefit Plans - Components of Net Periodic Postretirement Benefit Cost (Details) - Postretirement Benefits - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,163	$ 1,085	$ 1,458
Interest cost	3,102	2,761	1,923
Recognized net actuarial loss	44	0	444
Net periodic pension/postretirement benefit cost	$ 4,309	$ 3,846	$ 3,825