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Restructuring Restructuring and Related Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Restructuring Reserve [Roll Forward]        
Charges $ (349) $ 698 $ 2,025 $ 4,563
Reorganization Plans        
Restructuring Reserve [Roll Forward]        
Balance at beginning of period     5,497  
Charges     2,025  
Cash payments and other     (5,672)  
Balance at end of period 1,850   1,850  
Reorganization Plans | Employee Severance and Other Termination Costs        
Restructuring Reserve [Roll Forward]        
Balance at beginning of period     4,097  
Charges     2,025  
Cash payments and other     (4,880)  
Balance at end of period 1,242   1,242  
Reorganization Plans | Other        
Restructuring Reserve [Roll Forward]        
Balance at beginning of period     1,400  
Charges     0  
Cash payments and other     (792)  
Balance at end of period $ 608   $ 608