XML 58 R43.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property and Equipment, Net - Schedule of Property and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 73,115 $ 65,520
Less accumulated depreciation and amortization (25,381) (22,226)
Property and equipment, net 47,734 43,294
Computer Equipment and Purchased Software [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 5,457 4,571
Employee Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 6,015 4,260
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 11,330 11,083
Office Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 2,546 2,620
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 38,097 33,446
Equipment under Capital Lease [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 3,450 3,450
Internal-Use Software [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 3,449 2,892
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 2,771 $ 3,198