Annual report pursuant to Section 13 and 15(d)

Property, Equipment and Software - Additional Information (Detail)

v3.3.1.900
Property, Equipment and Software - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Property, Plant and Equipment [Line Items]          
Depreciation and amortization expense for property, equipment and software   $ 20,600,000 $ 18,900,000 $ 14,100,000  
Carrying amount of capitalized development costs $ 41,200,000 41,200,000 32,500,000    
Accumulated Amortization 14,000,000 14,000,000 10,700,000    
Capitalization of software development costs   10,500,000 10,900,000 7,600,000  
Impairment loss   20,801,000 304,000    
Disposal of fixed assets   1,300,000      
Loss on disposal of fixed assets   200,000      
Purchases of property, equipment, and software   33,384,000 37,062,000   $ 32,952,000
Software          
Property, Plant and Equipment [Line Items]          
Depreciation and amortization expense for property, equipment and software   $ 3,300,000 1,700,000 1,000,000  
Weighted-average useful life (in years)   4 years 2 months 18 days      
Leasehold Improvements          
Property, Plant and Equipment [Line Items]          
Weighted-average useful life (in years)   10 years      
Perpetual software license          
Property, Plant and Equipment [Line Items]          
Purchases of property, equipment, and software $ 2,500,000        
Product Development | Software          
Property, Plant and Equipment [Line Items]          
Impairment loss   $ 1,400,000 $ 0 $ 0  
General and Administrative | Leasehold Improvements          
Property, Plant and Equipment [Line Items]          
Tangible asset impairment charges   $ 1,500,000