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Income Taxes Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2014
Income Tax Disclosure [Abstract]        
Income Tax Expense (Benefit) $ 44,767 $ (176,974) $ 69,130  
Income tax refunds (128,540) (95,229) (2,157)  
Net Operating Loss, Carryback 422,100 116,700 $ 185,400  
Deferred Tax Assets, Operating Loss Carryforwards   5,200   $ 5,700
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 7,800      
Deferred Tax Liabilities, Prepaid Expenses 3,625 2,517    
Deferred Tax Liabilities, Property, Plant and Equipment 352,123 308,266    
Deferred Tax Liabilities, Other 9,476 19,900    
Deferred Tax Liabilities, Gross 365,224 330,683    
Deferred Income Tax Liabilities, Net 346,137 301,763    
Deferred Income Taxes and Tax Credits 4,523 10,995    
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 1,214 1,214    
Deferred Tax Assets, Net of Valuation Allowance 19,087 $ 28,920    
Foreign Tax Credit Carryforward        
Income Tax Contingency [Line Items]        
Tax Credit Carryforward, Amount 2,300      
General Business Tax Credit Carryforward        
Income Tax Contingency [Line Items]        
Tax Credit Carryforward, Amount $ 4,500