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
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share Reconciliation [Line Items]
Net income	$ 3,644	$ 14,002
Denominator for basic earnings per share	36,052	35,810
Denominator for diluted earnings per share	36,605	36,401
Earnings per share:
Basic	$ 0.1	$ 0.39
Diluted	$ 0.1	$ 0.38
Restricted Stock Units [Member]
Earnings Per Share Reconciliation [Line Items]
Potentially dilutive securities	553	586
Employee Stock Options [Member]
Earnings Per Share Reconciliation [Line Items]
Potentially dilutive securities	0	5