Retirement Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Retirement Benefits [Abstract]
Service cost	$ 458	$ 446	$ 916	$ 887
Interest cost	645	714	1,290	1,423
Recognized net actuarial loss	82	123	163	246
Net periodic benefit cost	$ 1,185	$ 1,283	$ 2,369	$ 2,556