Employee Benefit Plans (Restricted Shares Activity And Related Information) (Details) - Restricted Stock - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restricted Awards Activity
Beginning Balance (in shares)			135,558	140,606
Granted (in shares)			46,550	43,819
Vested (in shares)			(44,409)	(44,317)
Ending Balance (in shares)	137,699	140,108	137,699	140,108
Average Market Price at Grant
Outstanding at period start (in dollars per share)			$ 79.19	$ 73.87
Granted (in dollars per share)			98.20	90.56
Vested (in dollars per share)			76.69	72.84
Outstanding at period end (in dollars per share)	$ 84.88	$ 78.62	$ 84.88	$ 78.62
Stock-based compensation expense associated with restricted shares	$ 876	$ 681	$ 2,331	$ 2,022
Unrecognized stock-based compensation expense associated with restricted shares	$ 6,334		$ 6,334
Weighted average period (in years) in which the above amount is expected to be recognized			3 years 1 month 9 days