Condensed Consolidated Statements of Changes in Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Class A [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings (Deficit) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Beginning Balance, Value at Dec. 31, 2011	$ 465,826	$ 310	$ 575,122	$ (12,058)	$ (76,703)	$ (79,007)	$ 58,162
Beginning Balance, Shares at Dec. 31, 2011		(31,014,265)				(3,072,958)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	7,021				4,566		2,455
Other Comprehensive Income (Loss)	6			67			(61)
Treasury Stock Purchases, Value	(40,409)					(40,409)
Treasury Stock Purchases, Shares						(1,537,606)
Evercore LP Units Purchased or Converted into Class A Common Stock, Value	701	3	1,883				(1,185)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares		314,877
Stock-based Compensation Awards, Value	49,267	15	38,698				10,554
Stock-based Compensation Awards, Shares		1,487,759
Shares Issued as Consideration for Acquisitions and Investments, Value	4,027					4,027
Shares Issued as Consideration for Acquisitions and Investments, Shares						155,333
Dividends and Equivalents	(11,678)		2,389		(14,067)
Noncontrolling Interest (Note 12)	(7,363)		790				(8,153)
Ending Balance, Value at Jun. 30, 2012	467,398	328	618,882	(11,991)	(86,204)	(115,389)	61,772
Ending Balance, Shares at Jun. 30, 2012		(32,816,901)				(4,455,231)
Beginning Balance, Value at Dec. 31, 2012	490,749	350	654,275	(9,086)	(77,079)	(139,954)	62,243
Beginning Balance, Shares at Dec. 31, 2012		(35,040,501)				(5,463,515)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	30,389				22,395		7,994
Other Comprehensive Income (Loss)	(2,384)			(1,829)			(555)
Treasury Stock Purchases, Value	(81,108)					(81,108)
Treasury Stock Purchases, Shares						(2,141,121)
Evercore LP Units Purchased or Converted into Class A Common Stock, Value	(3,768)	13	9,406				(13,187)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares		1,326,127
Stock-based Compensation Awards, Value	66,164	19	55,355			65	10,725
Stock-based Compensation Awards, Shares		1,887,385				2,600
Dividends and Equivalents	(14,121)		3,041		(17,162)
Noncontrolling Interest (Note 12)	(14,111)		(2,483)				(11,628)
Ending Balance, Value at Jun. 30, 2013	$ 471,810	$ 382	$ 719,594	$ (10,915)	$ (71,846)	$ (220,997)	$ 55,592
Ending Balance, Shares at Jun. 30, 2013		(38,254,013)				(7,602,036)