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, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,667	40,635	41,010	40,313
Basic net income per share attributable to Evercore Inc. common shareholders	$ 3.45	$ 1.39	$ 6.94	$ 2.17
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,667	40,635	41,010	40,313
Diluted weighted average Class A Shares outstanding	43,661	41,894	44,053	42,105
Diluted net income per share attributable to Evercore Inc. common shareholders	$ 3.21	$ 1.35	$ 6.46	$ 2.08
Class A [Member]
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 140,359	$ 56,412	$ 284,711	$ 87,587
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,667	40,635	41,010	40,313
Basic net income per share attributable to Evercore Inc. common shareholders	$ 3.45	$ 1.39	$ 6.94	$ 2.17
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 140,359	$ 56,412	$ 284,711	$ 87,587
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	$ 140,359	$ 56,412	$ 284,711	$ 87,587
Weighted average Class A Shares outstanding, including vested RSUs (in shares)	40,667	40,635	41,010	40,313
Assumed exchange of LP Units for Class A Shares (in shares)	0	0	0	144
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)	2,514	859	2,563	1,248
Shares that are contingently issuable (in shares)	480	400	480	400
Diluted weighted average Class A Shares outstanding	43,661	41,894	44,053	42,105
Diluted net income per share attributable to Evercore Inc. common shareholders	$ 3.21	$ 1.35	$ 6.46	$ 2.08