Net Income (Loss) Per Share Attributable to Evercore Partners Inc. Common Shareholders Calculations of Basic and Diluted Net Income Per Share Attributable to Evercore Partners Inc. Common Shareholders (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
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	$ 12,804	$ 8,135	$ 5,692
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	6,433	8,695	10,356