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Revenue - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Revenue from Contract with Customer [Abstract] |  |  |  |
Contract with Customer, Liability, Revenue Recognized | $ 3,377 | $ 3,740 | $ 10,870 | $ 8,984
Period in Which Performance Obligations Under Client Arrangements Settled |  |  | 1 year |

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- Definition Period in Which Performance Obligations Under Client Arrangements Settled + References No definition available. + Details
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Namespace Prefix: | evr_
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
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Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration