Consolidated Statements Of Changes In Equity (USD $) In Thousands, except Share data, unless otherwise specified	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 at Dec. 31, 2008	$ 126	$ 275,234	$ (5,139)	$ (46,564)	$ (8,050)	$ 15,978	$ 231,585
Balance, Shares at Dec. 31, 2008	12,552,028				(498,746)
Net Income (Loss)				(1,570)		1,816	246
Other Comprehensive Income, net:
Unrealized Gain (Loss) on Marketable Securities, net			707			2,174	2,881
Foreign Currency Translation Adjustment			672			2,372	3,044
Total Comprehensive Income (Loss)			1,379	(1,570)		6,362	6,171
Treasury Stock Purchases					(4,706)		(4,706)
Treasury Stock Purchases, Shares					(310,553)
Proceeds from Equity Offering, Net of Direct Expenses	37	70,084					70,121
Proceeds from Equity Offering, Net of Direct Expenses, Shares	3,721,788
Evercore LP Units Purchased or Converted into Class A Common Stock	2	(57,187)				(5,623)	(62,808)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares	189,153
Stock-based Compensation Awards	7	50,959				8,552	59,518
Stock-based Compensation Awards, Shares	692,914
Dividends and Equivalents		405		(8,622)			(8,217)
Noncontrolling Interest (Note 15)						4,092	4,092
Balance 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 (Loss)				8,954		8,851	17,805
Other Comprehensive Income, net:
Unrealized Gain (Loss) on Marketable Securities, net			(1,058)			(1,048)	(2,106)
Foreign Currency Translation Adjustment			625			294	919
Total Comprehensive Income (Loss)			(433)	8,954		8,097	16,618
Treasury Stock Purchases					(35,053)		(35,053)
Treasury Stock Purchases, Shares					(1,286,277)
Proceeds from Equity Offering, Net of Direct Expenses	29	77,573					77,602
Proceeds from Equity Offering, Net of Direct Expenses, Shares	2,954,437
Evercore LP Units Purchased or Converted into Class A Common Stock	1	(59,062)				(9,834)	(68,895)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares	77,110
Stock-based Compensation Awards	13	35,695				20,059	55,767
Stock-based Compensation Awards, Shares	1,310,261
Shares Issued as Consideration for Acquisitions and Investments		5,748			13,271		19,019
Shares Issued as Consideration for Acquisitions and Investments, Shares					581,531
Dividends and Equivalents		1,344		(13,702)			(12,358)
Noncontrolling Interest (Note 15)		(74)				18,859	18,785
Balance 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 (Loss)				6,952		3,579	10,531
Other Comprehensive Income, net:
Unrealized Gain (Loss) on Marketable Securities, net			(1,626)			(338)	(1,964)
Foreign Currency Translation Adjustment			(6,239)			(1,880)	(8,119)
Total Comprehensive Income (Loss)			(7,865)	6,952		1,361	448
Treasury Stock Purchases					(45,105)		(45,105)
Treasury Stock Purchases, Shares					(1,586,780)
Proceeds from Equity Offering, Net of Direct Expenses	54	167,880					167,934
Proceeds from Equity Offering, Net of Direct Expenses, Shares	5,364,991
Evercore LP Units Purchased or Converted into Class A Common Stock	4	(67,264)				(12,268)	(79,528)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares	422,843
Stock-based Compensation Awards	37	67,395				21,057	88,489
Stock-based Compensation Awards, Shares	3,728,740
Shares Issued as Consideration for Acquisitions and Investments					636		636
Shares Issued as Consideration for Acquisitions and Investments, Shares					27,867
Dividends and Equivalents		2,805		(22,151)			(19,346)
Noncontrolling Interest (Note 15)		3,587				(18,530)	(14,943)
Balance at Dec. 31, 2011	$ 310	$ 575,122	$ (12,058)	$ (76,703)	$ (79,007)	$ 58,162	$ 465,826
Balance, Shares at Dec. 31, 2011	31,014,265				(3,072,958)