Summary Of Significant Accounting Policies (Schedule Of Diluted Earnings Per Share Computed Using Weighted Average Common And Potentially Dilutive Common Equivalent Shares Outstanding) (Details) - shares	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Weighted average shares outstanding used to compute basic earnings per share	34,133,078	33,805,530	33,562,684
Incremental shares attributable to stock options and restricted stock	0	20,900	107,566
Shares used to compute diluted earnings per share	34,133,078	33,826,430	33,670,250

Summary Of Significant Accounting Policies (Schedule Of Diluted Earnings Per Share Computed Using Weighted Average Common And Potentially Dilutive Common Equivalent Shares Outstanding) (Details) - shares

12 Months Ended

Dec. 31, 2023

Dec. 31, 2022

Dec. 31, 2021

Accounting Policies [Abstract]

Weighted average shares outstanding used to compute basic earnings per share

34,133,078

33,805,530

33,562,684

Incremental shares attributable to stock options and restricted stock

20,900

107,566

Shares used to compute diluted earnings per share

34,133,078

33,826,430

33,670,250