Supplemental Financial Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Supplemental Financial Information [Abstract]
Net Revenues	$ 112,781	$ 163,181	$ 141,204	$ 107,098	$ 101,452	$ 123,025	$ 64,319	$ 87,109	$ 524,264	[1]	$ 375,905	[1]	$ 312,417	[1]
Total Expenses	113,790	149,739	129,589	95,334	91,794	104,585	66,947	75,719	488,452		339,045		288,969
Income (Loss) Before Income from Equity Method Investments and Income Taxes	(1,009)	13,442	11,615	11,764	9,658	18,440	(2,628)	11,390	35,812		36,860		23,448
Income from Equity Method Investments	255	195	69	400	(116)	(131)	(130)	(180)	919		(557)		(1,406)
Income (Loss) Before Income Taxes	(754)	13,637	11,684	12,164	9,542	18,309	(2,758)	11,210	36,731		36,303		22,042
Provision for Income Taxes	1,080	11,144	6,064	4,436	4,413	8,476	(1,551)	4,839	22,724		16,177		19,679
Net Income (Loss) from Continuing Operations	(1,834)	2,493	5,620	7,728	5,129	9,833	(1,207)	6,371	14,007		20,126		2,363
Net Income (Loss) from Discontinued Operations	(653)	(198)	(85)	(30)	(232)	(280)	(6)	1	(966)		(517)		(424)
Net Income (Loss)	(2,487)	2,295	5,535	7,698	4,897	9,553	(1,213)	6,372	13,041		19,609		1,939
Net Income (Loss) Attributable to Noncontrolling Interest	(1,831)	536	3,274	4,110	1,610	6,023	(1,330)	4,352	6,089		10,655		3,509
Net Income (Loss) Attributable to Evercore Partners Inc.	$ (656)	$ 1,759	$ 2,261	$ 3,588	$ 3,287	$ 3,530	$ 117	$ 2,020	$ 6,952		$ 8,954		$ (1,570)
Basic Net Income (Loss) Per Share, From Continuing Operations		$ 0.06	$ 0.09	$ 0.16	$ 0.16	$ 0.19	$ 0.01	$ 0.11	$ 0.30		$ 0.47		$ (0.07)
Basic Net Income (Loss) Per Share, From Discontinued Operations	$ (0.02)				$ (0.01)	$ (0.01)			$ (0.04)		$ (0.02)		$ (0.03)
Basic Net Income (Loss) Per Share, Net Income (Loss) Attributable to Evercore Partners Inc.	$ (0.02)	$ 0.06	$ 0.09	$ 0.16	$ 0.15	$ 0.18	$ 0.01	$ 0.11	$ 0.26		$ 0.45		$ (0.10)
Diluted Net Income (Loss) Per Share, From Continuing Operations		$ 0.06	$ 0.08	$ 0.14	$ 0.14	$ 0.18		$ 0.09	$ 0.27		$ 0.41		$ (0.07)
Diluted Net Income (Loss) Per Share, From Discontinued Operations	$ (0.02)				$ (0.01)	$ (0.01)			$ (0.04)		$ (0.02)		$ (0.03)
Diluted Net Income (Loss) Per Share, Net Income (Loss) Attributable to Evercore Partners Inc.	$ (0.02)	$ 0.06	$ 0.08	$ 0.14	$ 0.13	$ 0.17		$ 0.09	$ 0.23		$ 0.39		$ (0.10)
Dividends Declared Per Share of Class A Common Stock	$ 0.20	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.15	$ 0.15	$ 0.15	$ 0.74		$ 0.63		$ 0.51

[1] Net revenues include Other Revenue, net, allocated to the segments as follows: