Net Income Per Share Attributable to Evercore Inc. Common Shareholders - Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	41,364	39,992
Basic net income per share attributable to Evercore Inc. common shareholders	$ 3.49	$ 0.78
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	41,364	39,992
Diluted weighted average Class A Shares outstanding	44,456	42,317
Diluted net income per share attributable to Evercore Inc. common shareholders	$ 3.25	$ 0.74
Class A [Member]
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 144,352	$ 31,175
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	41,364	39,992
Basic net income per share attributable to Evercore Inc. common shareholders	$ 3.49	$ 0.78
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 144,352	$ 31,175
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	$ 144,352	$ 31,175
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	41,364	39,992
Assumed exchange of LP Units for Class A Shares (in shares)	0	288
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)	2,612	1,637
Shares that are contingently issuable (in shares)	480	400
Diluted weighted average Class A Shares outstanding	44,456	42,317
Diluted net income per share attributable to Evercore Inc. common shareholders	$ 3.25	$ 0.74