Employee Benefits (Schedule of plan's funded status) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Change in benefit projected obligation:
Projected benefit obligation at beginning of year	$ 17,138	$ 23,055
Interest cost	861	634
Actuarial gain	570	(5,874)
Benefits paid	(701)	(677)
Projected benefit obligation at end of year	17,868	17,138
Change in plan assets:
Fair value of plan assets at beginning of year	16,906	22,839
Actual return on plan assets	1,857	(5,256)
Contributions	0	0
Benefits paid	(701)	(677)
Fair value of plan assets at end of year	18,062	16,906
Funded status	194	(232)
Defined Benefit Pension Plan.
Change in plan assets:
Fair value of plan assets at beginning of year	16,906
Fair value of plan assets at end of year	$ 18,062	$ 16,906