Annual report pursuant to Section 13 and 15(d)

Business Combinations - Summary of Details of Acquired Intangible Assets (Detail)

v3.19.1
Business Combinations - Summary of Details of Acquired Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 06, 2018
Aug. 31, 2018
Aug. 21, 2018
Dec. 31, 2018
Customer Relationships [Member]        
Business Acquisition [Line Items]        
Intangible assets, Estimated Useful Life       5 years
Developed Technology [Member]        
Business Acquisition [Line Items]        
Intangible assets, Estimated Useful Life       5 years
Trademarks and Trade Names [Member]        
Business Acquisition [Line Items]        
Intangible assets, Estimated Useful Life       2 years
Performance Bridge [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value     $ 5,800  
Performance Bridge [Member] | Customer Relationships [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value     $ 5,100  
Intangible assets, Estimated Useful Life     5 years  
Performance Bridge [Member] | Noncompete Agreements [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value     $ 700  
Intangible assets, Estimated Useful Life     4 years  
Wazee Digital Inc [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value   $ 13,300    
Wazee Digital Inc [Member] | Customer Relationships [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value   $ 4,200    
Intangible assets, Estimated Useful Life   5 years    
Wazee Digital Inc [Member] | Developed Technology [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value   $ 9,100    
Intangible assets, Estimated Useful Life   5 years    
Machine Box, Inc. [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value $ 700      
Machine Box, Inc. [Member] | Noncompete Agreements [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value $ 100      
Intangible assets, Estimated Useful Life 3 years      
Machine Box, Inc. [Member] | Developed Technology [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value $ 500      
Intangible assets, Estimated Useful Life 5 years      
Machine Box, Inc. [Member] | Trademarks and Trade Names [Member]        
Business Acquisition [Line Items]        
Total intangible assets, Fair Value $ 100      
Intangible assets, Estimated Useful Life 2 years 3 months 18 days