Annual report pursuant to Section 13 and 15(d)

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

v2.4.1.9
Property and Equipment - Schedule of Property and Equipment, Net (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Less: accumulated depreciation and amortization $ (15,760)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment $ (19,412)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and equipment, net 7,693us-gaap_PropertyPlantAndEquipmentNet 8,560us-gaap_PropertyPlantAndEquipmentNet
Computer software and hardware equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 8,769us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
8,442us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
Furniture, fixtures, and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 14,684us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
$ 19,530us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember