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Net Income Per Share Attributable to Evercore Inc. Common Shareholders - Additional Information (Details) shares in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2016 | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) shares | Dec. 31, 2016 USD ($) shares
Class G And H Interests and Class I-P and K-P Units [Member] |  |  |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |
Shares that are Contingently Issuable |  | 400 | 1,624 | 2,908
LP Units [Member] | Class A and E LP Units [Member] |  |  |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) |  | 5,075 | 5,920 | 6,397
Adjustment to Diluted Net Income Attributable to Class A Common Shareholders if LP Units were Dilutive | $ |  | $ 46,060 | $ 28,186 | $ 18,196
LP Units [Member] |  |  |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |
Limited Partnership Units Convertible Conversion Ratio | 1 | 1 |  |

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