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Fair Value Measurements - Additional Information (Details) $ in Thousands | Dec. 31, 2015 USD ($)
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Goodwill [Member] | Level III [Member] |
Fair Value Measurements, Nonrecurring [Line Items] |
Assets, Fair Value Disclosure, Nonrecurring | $ 66,200

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- Definition [Line Items] for Fair Value Measurements, Nonrecurring [Table] + References No definition available. + Details
Name: | evr_FairValueMeasurementsNonrecurringLineItems
Namespace Prefix: | evr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureNonrecurring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_GoodwillMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |