Employee Benefit Plans (Summary of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Actuarial assumptions used to determine net cost:
Expected return on assets (as a percent)	6.30%	6.30%
Employee Pension Plans
Summary of net periodic benefit cost
Interest cost	$ 3,839	$ 2,594	$ 2,349
Service cost	1,000	945	935
Expected return on plan assets	(3,875)	(3,890)	(3,976)
Recognized net actuarial losses	1,699	2,571	2,860
Net periodic benefit cost	$ 2,663	$ 2,220	$ 2,168
Actuarial assumptions used to determine net cost:
Discount rate (as a percent)	5.16%	2.65%	2.24%
Expected return on assets (as a percent)	6.25%	5.75%	5.75%