Employee Benefit Plans (Restricted Shares Activity And Related Information) (Details) - Restricted Stock - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Restricted Awards Activity
Beginning Balance (in shares)			135,558	140,606
Granted (in shares)			37,991	35,663
Vested (in shares)			(42,609)	(43,417)
Ending Balance (in shares)	130,940	132,852	130,940	132,852
Average Market Price at Grant
Outstanding at period start (in dollars per share)			$ 79.19	$ 73.87
Granted (in dollars per share)			100.32	91.90
Vested (in dollars per share)			77.13	73.02
Outstanding at period end (in dollars per share)	$ 84.22	$ 78.06	$ 84.22	$ 78.06
Stock-based compensation expense associated with restricted shares	$ 707	$ 633	$ 1,455	$ 1,341
Unrecognized stock-based compensation expense associated with restricted shares	$ 6,429		$ 6,429
Weighted average period (in years) in which the above amount is expected to be recognized			3 years 4 months 17 days