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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2021
Feb. 28, 2021
Goodwill [Line Items]            
Accumulated impairment charges     $ 123,100      
Additions   $ 33,214        
Equity method investment, ownership percentage         50.00% 50.00%
Reduction in carrying about of goodwill   1,344 1,343      
Impairment and other charges $ 25,100 159,610 122,227 $ 106,603    
Aggregate amortization expense   $ 39,100 42,200 46,200    
Impairments of intangibles and property and equipment associated with the sale of a subsidiary     97,100 $ 8,600    
Hypothetical decrease (as a percentage)   20.00%        
Domestic Operations            
Goodwill [Line Items]            
Additions   $ 21,312        
Reduction in carrying about of goodwill   1,344 1,343      
International and Other            
Goodwill [Line Items]            
Additions   11,902        
Reduction in carrying about of goodwill   $ 0 $ 0