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
Mar. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Less accumulated depreciation and amortization $ (19,714) $ (19,412)
Property and equipment, net 8,537 8,560
Computer software and hardware equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment 8,420 8,442
Furniture, fixtures, and equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment $ 19,831 $ 19,530