Earnings Per Share (Schedule Of Calculation Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share Reconciliation [Line Items]
Net income	$ 14,263	$ 15,374	$ 18,879	$ 44,904
Denominator for basic earnings per share	35,802	36,051	35,947	35,970
Denominator for diluted earnings per share	36,182	36,629	36,337	36,469
Earnings per share:
Basic	$ 0.4	$ 0.43	$ 0.53	$ 1.25
Diluted	$ 0.39	$ 0.42	$ 0.52	$ 1.23
Restricted Stock Units [Member]
Earnings Per Share Reconciliation [Line Items]
Potentially dilutive securities	380	578	390	496
Employee Stock Options [Member]
Earnings Per Share Reconciliation [Line Items]
Potentially dilutive securities	0	0	0	3