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Debt (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Dec. 31, 2014
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Dec. 15, 2014
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|---|---|---|---|
| Outstanding debt obligations | |||
| Unaccredited discount on Convertible Notes | $ (4,418)us-gaap_DebtInstrumentUnamortizedDiscount | $ (4,612)us-gaap_DebtInstrumentUnamortizedDiscount | |
| Convertible debt, total | 146,411us-gaap_ConvertibleDebt | 145,203us-gaap_ConvertibleDebt | |
| Unsecured debt | Convertible Notes | |||
| Outstanding debt obligations | |||
| Face amount |
172,500env_DebtInstrumentFaceAmountAndOverAllotments / us-gaap_DebtInstrumentAxis = env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
172,500env_DebtInstrumentFaceAmountAndOverAllotments / us-gaap_DebtInstrumentAxis = env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
|
| Unaccredited discount on Convertible Notes |
(26,089)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
(27,297)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
(27,500)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
| Convertible debt, total |
$ 146,411us-gaap_ConvertibleDebt / us-gaap_DebtInstrumentAxis = env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
$ 145,203us-gaap_ConvertibleDebt / us-gaap_DebtInstrumentAxis = env_ConvertibleUnsecured1.75PercentNotesDueDecember2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |
| X | ||||||||||
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- Definition
Represents the face amount of a debt instrument and over-allotment amounts. No definition available.
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- Definition
Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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