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Restructuring Expenses - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Restructuring Cost And Reserve [Line Items]    
Restructuring costs $ 38,338 $ 38,338
Contract Termination    
Restructuring Cost And Reserve [Line Items]    
Restructuring and related cost incurred 5,300 5,300
Restructuring of contractual future payments $ 14,000 $ 14,000