Employee Benefit Plans (Reconciliation of Changes in Fair Value of Plan Assets, Plan Benefit Obligations and Funded Status) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in Fair Value of Plan Assets
Company contribution	$ 2,000
Employee Pension Plans
Change in Fair Value of Plan Assets
Balance at beginning of year	73,375	$ 71,940
Actual return on plan assets	(10,865)	6,844
Company contribution	242	1,235
Benefit payments	(6,595)	(6,644)
Balance at end of year	56,157	73,375	$ 71,940
Change in Benefit Obligations
Balance at beginning of year	101,526	107,824
Interest cost	2,594	2,349	3,032
Service cost	945	935	925
Assumption change gain	(19,712)	(3,921)
Actuarial loss	300	983
Benefit payments	(6,595)	(6,644)
Balance at end of year	$ 79,058	$ 101,526	$ 107,824