Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Details)

v2.4.1.9
Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Property and equipment, cost:    
Property and equipment, gross $ 36,082us-gaap_PropertyPlantAndEquipmentGross $ 34,482us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization (18,995)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (17,853)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and equipment, net 17,087us-gaap_PropertyPlantAndEquipmentNet 16,629us-gaap_PropertyPlantAndEquipmentNet
Office furniture and fixtures    
Property and equipment, cost:    
Property and equipment, gross 5,052us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
4,993us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Office furniture and fixtures | Minimum    
Property and equipment, cost:    
Estimated Useful Life 5 years  
Office furniture and fixtures | Maximum    
Property and equipment, cost:    
Estimated Useful Life 7 years  
Computer equipment and software    
Property and equipment, cost:    
Estimated Useful Life 3 years  
Property and equipment, gross 19,929us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= env_ComputerEquipmentAndSoftwareMember
18,540us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= env_ComputerEquipmentAndSoftwareMember
Other office equipment    
Property and equipment, cost:    
Estimated Useful Life 5 years  
Property and equipment, gross 86us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
144us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
Leasehold improvements    
Property and equipment, cost:    
Property and equipment, gross $ 11,015us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
$ 10,805us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember