Quarterly report pursuant to Section 13 or 15(d)

Property, Equipment and Software - Additional Information (Details)

v3.3.0.814
Property, Equipment and Software - Additional Information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Property, Plant and Equipment [Line Items]            
Depreciation and amortization expense for property, equipment and software $ 5,000,000   $ 5,100,000 $ 15,200,000 $ 13,900,000  
Carrying amount of capitalized software development costs 39,000,000     39,000,000   $ 32,500,000
Accumulated depreciation of capitalized software development costs (13,000,000)     (13,000,000)   $ (10,700,000)
Disposal of fixed assets   $ 200,000   500,000    
Loss on disposal of fixed assets (200,000)     (200,000)    
Software            
Property, Plant and Equipment [Line Items]            
Depreciation and amortization expense for property, equipment and software 900,000   $ 400,000 2,300,000 1,100,000  
Software | Product Development            
Property, Plant and Equipment [Line Items]            
Impairment loss 500,000     1,300,000 $ 0  
Leasehold Improvements | General and Administrative            
Property, Plant and Equipment [Line Items]            
Tangible asset impairment charges $ 0     $ 1,500,000