Net Income Per Share Attributable to Evercore Inc. Common Shareholders - Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 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)	39,704	40,966	40,246	40,762
Basic net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.09	$ 1.21	$ 4.78	$ 5.25
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)	39,704	40,966	40,246	40,762
Diluted weighted average of Class A Shares outstanding (in shares)	42,789	45,858	43,437	45,542
Diluted net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.01	$ 1.08	$ 4.43	$ 4.70
Class A [Member]
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 43,278	$ 49,461	$ 192,252	$ 213,935
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	39,704	40,966	40,246	40,762
Basic net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.09	$ 1.21	$ 4.78	$ 5.25
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 43,278	$ 49,461	$ 192,252	$ 213,935
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	$ 43,278	$ 49,461	$ 192,252	$ 213,935
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	39,704	40,966	40,246	40,762
Assumed exchange of LP Units for Class A Shares (in shares)	648	1,297	756	1,405
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)	2,037	3,195	2,035	2,975
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)	42,789	45,858	43,437	45,542
Diluted net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.01	$ 1.08	$ 4.43	$ 4.70