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Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]        
Home Closed in Prior Open Tax Year Benefit $ 56,800      
Gross unrecognized tax benefits 22,536 $ 30,855 $ 40,300 $ 30,554
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 17,800 24,400    
Unrecognized tax benefits, income tax penalties and interest accrued $ 2,900 $ 2,800    
Maximum        
Income Tax Contingency [Line Items]        
IncomeTaxNetOperatingLossCarryforwardPeriod 20 years      
2019 - 2023 [Member] | State and Local Jurisdiction [Member]        
Income Tax Contingency [Line Items]        
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration $ 28,600      
2024 - Thereafter [Member] | State and Local Jurisdiction [Member]        
Income Tax Contingency [Line Items]        
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration $ 116,100