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, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,635	40,546	40,313	40,522
Basic net income per share attributable to Evercore Inc. common shareholders	$ 1.39	$ 2.02	$ 2.17	$ 3.68
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,635	40,546	40,313	40,522
Diluted weighted average Class A Shares outstanding	41,894	43,376	42,105	43,766
Diluted net income per share attributable to Evercore Inc. common shareholders	$ 1.35	$ 1.88	$ 2.08	$ 3.40
Class A [Member]
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 56,412	$ 81,742	$ 87,587	$ 148,974
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,635	40,546	40,313	40,522
Basic net income per share attributable to Evercore Inc. common shareholders	$ 1.39	$ 2.02	$ 2.17	$ 3.68
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 56,412	$ 81,742	$ 87,587	$ 148,974
Noncontrolling interest related to the assumed exchange of LP Units for Class A Shares
Associated corporate taxes related to the assumed elimination of Noncontrolling Interest described above
Diluted net income attributable to Evercore Inc. common shareholders	$ 56,412	$ 81,742	$ 87,587	$ 148,974
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,635	40,546	40,313	40,522
Assumed exchange of LP Units for Class A Shares (in shares)	0	648	144	810
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)	859	1,782	1,248	2,034
Shares that are contingently issuable (in shares)	400	400	400	400
Diluted weighted average Class A Shares outstanding	41,894	43,376	42,105	43,766
Diluted net income per share attributable to Evercore Inc. common shareholders	$ 1.35	$ 1.88	$ 2.08	$ 3.40