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Employee Benefit Plans - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Defined Contribution Retirement Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Company contributions to Plan | $ 0 | $ 0 | $ 0
Evercore Europe Defined Contribution Benefit Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Define contribution plans annual contribution percentage by employee (as a percent) | 10.00% |  |
Company contributions to Plan | $ 3,632 | $ 3,360 | $ 2,094
Minimum [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Define contribution plans annual contribution percentage by employee (as a percent) | 15.00% |  |
Define contribution plans additional contribution percentage by employee (as a percent) | 7.50% |  |
Defined contribution plans employee contribution percentage of eligible compensation matched by employer (as a percent) | 5.00% |  |
Maximum [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Define contribution plans annual contribution percentage by employee (as a percent) | 50.00% |  |
Define contribution plans additional contribution percentage by employee (as a percent) | 10.00% |  |
Defined contribution plans employee contribution percentage of eligible compensation matched by employer (as a percent) | 10.00% |  |

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- Definition Define contribution plans additional contribution percentage by employee + References No definition available. + Details
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Namespace Prefix: | evr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Define contribution plans annual contribution percentage by employee + References No definition available. + Details
Name: | evr_DefinedContributionPlansAnnualContributionPercentageByEmployee
Namespace Prefix: | evr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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