Employee Benefits (Details) - Pension Plan - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net periodic benefit cost
Service cost	$ 822	$ 954
Interest cost	2,478	2,526
Expected return on plan assets	(3,635)	(3,756)
Amortization of prior service credit	(724)	(820)
Amortization of net loss	0	52
Net periodic benefit cost	$ (1,059)	$ (1,044)