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Income Taxes (Classification of Net Deferred Tax Asset) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Income Taxes [Abstract]    
Long-term deferred tax assets $ 26,034 $ 26,907
Long-term deferred tax liabilities (10,706) (12,935)
Net deferred tax assets (liabilities) $ 15,328 $ 13,972