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Acquisition - Additional Information (Detail) - CaseStack, Inc. [Member] - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 03, 2018
Apr. 30, 2019
Mar. 31, 2019
Business Acquisition [Line Items]      
Business acquisition, cash paid $ 248,656    
Consideration for transaction 252,858    
Deferred purchase consideration 3,469    
Working capital adjustment $ 733    
Deferred purchase consideration payable term 24 months    
Amortization expense of intangible assets     $ 2,300
Intangible assets, weighted average useful life     9 years
Subsequent Event [Member]      
Business Acquisition [Line Items]      
Business acquisition, cash paid   $ 248,700  
Deferred purchase consideration   3,500  
Working capital adjustment   $ 700