Quarterly report pursuant to Section 13 or 15(d)

Property, Equipment and Software - Additional Information (Details)

v3.2.0.727
Property, Equipment and Software - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Property, Plant and Equipment [Line Items]          
Depreciation and amortization expense for property, equipment and software $ 5,200,000 $ 4,600,000 $ 10,200,000 $ 8,800,000  
Carrying amount of capitalized software development costs 37,000,000   37,000,000   $ 32,500,000
Accumulated depreciation of capitalized software development costs (12,200,000)   (12,200,000)   $ (10,700,000)
Disposal of fixed assets (300,000)        
Software          
Property, Plant and Equipment [Line Items]          
Depreciation and amortization expense for property, equipment and software 800,000 $ 300,000 1,500,000 700,000  
Product Development | Software          
Property, Plant and Equipment [Line Items]          
Impairment loss 200,000   $ 800,000 $ 0  
General and Administrative | Leasehold Improvements          
Property, Plant and Equipment [Line Items]          
Tangible asset impairment charges $ 1,500,000