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Income Taxes (Reconciliation of the Federal Statutory and Effective Income Tax Rate) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]    
Income (loss) before income tax benefit $ 33,646 $ (64,158)
Statutory taxes at 21.0% 7,066 (13,473)
State and local income taxes 556 (4,392)
Non-deductible expenses 927 1,071
Percentage depletion (4,683) (3,455)
R&D and other federal credits (796) (109)
Settlements and uncertain tax positions (2,273) (3,512)
Other, net (892) (701)
Income tax benefit $ (95) $ (24,571)
Effective income tax rate (percent) (0.30%) 38.30%