Condensed Consolidated Statements Of Changes In Equity (USD $) In Thousands, except Share data	Class A Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings (Deficit) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance, Values at Dec. 31, 2009	$ 172	$ 339,495	$ (3,760)	$ (56,756)	$ (12,756)	$ 29,361	$ 295,756
Balance, Shares at Dec. 31, 2009	17,155,883				(809,299)
Net Income				2,137		2,279	4,416
Other Comprehensive Income, net:
Unrealized Gain (Loss) on Marketable Securities, net			(1,041)			(1,584)	(2,625)
Foreign Currency Translation Adjustment			(873)			(1,219)	(2,092)
Total Comprehensive Income			(1,914)	2,137		(524)	(301)
Treasury Stock Purchases, Values					(23,566)		(23,566)
Treasury Stock Purchases, Shares					(823,049)
Evercore LP Units Purchased or Converted into Class A Common Stock, Values		395				(2,410)	(2,015)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares	43,460
Stock-based Compensation Awards, Values	12	19,693				9,961	29,666
Stock-based Compensation Awards, Shares	1,186,672
Dividends and Equivalents		661		(6,326)			(5,665)
Noncontrolling Interest (Note 13)		(32)				26,437	26,405
Balance, Values at Jun. 30, 2010	184	360,212	(5,674)	(60,945)	(36,322)	62,825	320,280
Balance, Shares at Jun. 30, 2010	18,386,015				(1,632,348)
Balance, Values at Dec. 31, 2010	215	400,719	(4,193)	(61,504)	(34,538)	66,542	367,241
Balance, Shares at Dec. 31, 2010	21,497,691				(1,514,045)
Net Income				5,849		6,727	12,576
Other Comprehensive Income, net:
Unrealized Gain (Loss) on Marketable Securities, net			258			405	663
Foreign Currency Translation Adjustment			1,309			1,083	2,392
Total Comprehensive Income			1,567	5,849		8,215	15,631
Treasury Stock Purchases, Values					(16,750)		(16,750)
Treasury Stock Purchases, Shares					(488,579)
Equity Offering, Net of Direct Expenses, Values	54	167,597					167,651
Equity Offering, Net of Direct Expenses, Shares	5,364,991
Evercore LP Units Purchased or Converted into Class A Common Stock, Values	3	(75,379)				(11,774)	(87,150)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares	298,892
Stock-based Compensation Awards, Values	12	36,190				10,975	47,177
Stock-based Compensation Awards, Shares	1,224,848
Dividends and Equivalents		1,021		(9,252)			(8,231)
Noncontrolling Interest (Note 13)		(42)				(11,285)	(11,327)
Balance, Values at Jun. 30, 2011	$ 284	$ 530,106	$ (2,626)	$ (64,907)	$ (51,288)	$ 62,673	$ 474,242
Balance, Shares at Jun. 30, 2011	28,386,422				(2,002,624)