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Impairment, Restructuring and Other Charges - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2018
Restructuring Cost And Reserve [Line Items]            
Severance costs $ 0 $ 8,400   $ 8,399    
Consulting fees     $ 1,000      
Other restructuring charges 645   1,000 775 $ 3,400  
Total impairment, restructuring and other charges 1,587     $ 34,300   $ 98,600
Goodwill impairment loss $ 0 $ 7,700 $ 0   0  
Former Chief Operating Officer            
Restructuring Cost And Reserve [Line Items]            
Severance costs         $ 1,100