Quarterly report pursuant to Section 13 or 15(d)

Property, Equipment and Software - Additional Information (Details)

v3.4.0.3
Property, Equipment and Software - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expense for property, equipment and software $ 5,500,000 $ 5,000,000  
Carrying amount of capitalized software development costs 44,300,000   $ 41,200,000
Accumulated depreciation of capitalized software development costs 15,100,000   $ 14,000,000
Software      
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expense for property, equipment and software 1,100,000 700,000  
Software | Product Development      
Property, Plant and Equipment [Line Items]      
Impairment loss $ 0 $ 600,000