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, 2019	Mar. 31, 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)	40,497	40,426
Basic net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.66	$ 2.36
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)	40,497	40,426
Diluted weighted average of Class A Shares outstanding (in shares)	44,155	45,463
Diluted net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.52	$ 2.10
Class A [Member]
Basic Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 67,232	$ 95,543
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	40,497	40,426
Basic net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.66	$ 2.36
Diluted Net Income Per Share Attributable to Evercore Inc. Common Shareholders
Net income attributable to Evercore Inc. common shareholders	$ 67,232	$ 95,543
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	$ 67,232	$ 95,543
Weighted average shares of Class A common stock outstanding, including vested RSUs (in shares)	40,497	40,426
Assumed exchange of LP Units for Class A Shares (in shares)	973	1,621
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)	2,285	3,016
Shares that are contingently issuable (in shares)	400	400
Diluted weighted average of Class A Shares outstanding (in shares)	44,155	45,463
Diluted net income per share attributable to Evercore Inc. common shareholders (in dollars per share)	$ 1.52	$ 2.10