Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details 2)

v2.4.1.9
Summary of Significant Accounting Policies (Details 2) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 12 Months Ended
Jun. 18, 2014
Dec. 31, 2014
Dec. 15, 2014
Feb. 01, 2014
Non-controlling Interest        
Net loss attributable to noncontrolling interest   $ (195)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest    
Insurance Recovery        
Cash received for certain expenses from vendor 1,825us-gaap_ReimbursementRevenue      
Reimbursement Gain Before Tax   1,825env_ReimbursementGainBeforeTax    
Unsecured debt | 1.75% convertible unsecured notes due December 2019        
Convertible Notes        
Face amount   172,500env_DebtInstrumentFaceAmountAndOverAllotments
/ us-gaap_DebtInstrumentAxis
= env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
   
Interest rate (as a percent)   1.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
1.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
 
Envestnet Retirement Solutions, LLC        
Non-controlling Interest        
Ownership interest (as a percent)   57.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= env_EnvestnetRetirementSolutionsLlcMember
  64.50%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= env_EnvestnetRetirementSolutionsLlcMember
Net loss attributable to noncontrolling interest   $ 195us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= env_EnvestnetRetirementSolutionsLlcMember
   
Klein Decisions, Inc.        
Non-controlling Interest        
Ownership interest (as a percent)   57.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= env_KleinDecisionsIncMember