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Revenue - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenue from Contract with Customer [Abstract] |  |  |
Period in Which Performance Obligations Under Client Arrangements Settled | 1 year |  |
Contract with Customer, Asset, Threshold Period Past Due | 120 days |  |
Contract With Customer Liability Revenue Recognized That Was Initially Recorded As Deferred Revenue | $ 23,409 | $ 15,115 | $ 16,468

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- Definition Contract With Customer Liability Revenue Recognized That Was Initially Recorded As Deferred Revenue + References No definition available. + Details
Name: | evr_ContractWithCustomerLiabilityRevenueRecognizedThatWasInitiallyRecordedAsDeferredRevenue
Namespace Prefix: | evr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Period in Which Performance Obligations Under Client Arrangements Settled + References No definition available. + Details
Name: | evr_PeriodinWhichPerformanceObligationsUnderClientArrangementsSettled
Namespace Prefix: | evr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Threshold period for when right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, is considered past due, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes threshold period past due to write off as uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447 + Details
Name: | us-gaap_ContractWithCustomerAssetThresholdPeriodPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration