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Income Taxes (Income Tax Years Subject to Examination) (Details)
12 Months Ended
Dec. 31, 2021
U.S. Federal [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
Pennsylvania [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2001
Texas [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
Illinois [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2010
Virginia [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
Colorado [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2010
Indiana [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
Nebraska [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2016
Alabama [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2016
China [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
Mexico [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2020