Net Income Per Share Attributable to Evercore Partners Inc. Common Shareholders - Additional Information (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Adjustment To Diluted Net Income Attributable To Class A Common Shareholders If LP Units Were Dilutive	$ 2,132	$ 3,197	$ 2,815	$ 4,786
LP Units [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	6,712	4,719	6,752	4,901
Class G And H Interests [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares that are contingently issuable (in shares)	813		768