Net Income Per Share Attributable to Evercore Inc. Common Shareholders - Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	40,546	40,889	40,522	40,653
Basic net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 2.02	$ 1.69	$ 3.68	$ 4.05
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	40,546	40,889	40,522	40,653
Diluted weighted average of Class A Shares outstanding (in shares)	43,376	45,299	43,766	45,377
Diluted net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.88	$ 1.52	$ 3.40	$ 3.62
Class A [Member]
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 81,742	$ 68,931	$ 148,974	$ 164,474
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	40,546	40,889	40,522	40,653
Basic net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 2.02	$ 1.69	$ 3.68	$ 4.05
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 81,742	$ 68,931	$ 148,974	$ 164,474
Noncontrolling Interest Related To Assumed Exchange Of Lp Units For Common Shares
Associated Corporate Taxes Related To Assumed Elimination Of Noncontrolling Interest Described
Diluted net income attributable to Evercore Inc. common shareholders	$ 81,742	$ 68,931	$ 148,974	$ 164,474
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	40,546	40,889	40,522	40,653
Assumed exchange of LP Units for Class A Shares (in shares)	648	1,297	810	1,459
Additional shares of the Company's common stock assumed to be issued pursuant to non-vested RSUs and deferred consideration, as calculated using the Treasury Stock Method (in shares)	1,782	2,713	2,034	2,865
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares	400	400	400	400
Diluted weighted average of Class A Shares outstanding (in shares)	43,376	45,299	43,766	45,377
Diluted net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.88	$ 1.52	$ 3.40	$ 3.62