Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Schedule Of Long-Term Debt) (Details)

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Long-Term Debt (Schedule Of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Debt Disclosure [Abstract]    
Senior notes $ 45,000 $ 95,000
Revolving credit facility 0 0
Total long-term debt 45,000 95,000
Less: Current maturities 0 (50,000)
Total maturities due after one year $ 45,000 $ 45,000