Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Schedule of Property and Equipment, Net (Detail)

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Property and Equipment - Schedule of Property and Equipment, Net (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Less: accumulated depreciation and amortization $ (14,963) $ (19,412)
Property and equipment, net 7,829 8,560
Computer software and hardware equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment 8,308 8,442
Furniture, fixtures, and equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment $ 14,484 $ 19,530