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Income Taxes - Components of Income before Income Tax (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Schedule Of Income Before Income Tax [Line Items] |  |  |
Income Before Income Tax Expense | $ 485,760 | $ 383,896 | $ 226,831
United States [Member] |  |  |
Schedule Of Income Before Income Tax [Line Items] |  |  |
Income Before Income Tax Expense | 449,171 | 379,407 | 204,920
Non-US [Member] |  |  |
Schedule Of Income Before Income Tax [Line Items] |  |  |
Income Before Income Tax Expense | $ 36,589 | $ 4,489 | $ 21,911

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- Definition Income before income tax expense from continuing operations, net of no controlling interest. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Schedule of Income Before Income Tax [Line Items] + References No definition available. + Details
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Namespace Prefix: | evr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=us-gaap_NonUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |