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Schedule of Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning Balance $ (256,359)  
Foreign currency translation loss (2,369) $ (1,724)
Current period other comprehensive income (2,369) (1,724)
Ending Balance (278,348) (122,461)
Accumulated Other Comprehensive Income    
Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning Balance (54,643) (53,068)
Foreign currency translation loss (2,369) (1,724)
Current period other comprehensive income (2,369) (1,724)
Ending Balance $ (57,012) $ (54,792)