Consolidated Statements of Changes in Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total USD ($)	Additional Paid-In Capital [Member] USD ($)	Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Retained Earnings (Deficit) [Member] USD ($)	Treasury Stock [Member] USD ($)	Noncontrolling Interest [Member] USD ($)	Class A [Member]	Class A [Member] Common Stock [Member] USD ($)
Beginning Balance, Value at Dec. 31, 2011	$ 465,826	$ 575,122	$ (12,058)	$ (76,703)	$ (79,007)	$ 58,162		$ 310
Beginning Balance, Shares at Dec. 31, 2011					(3,072,958)			(31,014,265)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	39,479			28,889		10,590
Other Comprehensive Income	4,241		2,972			1,269
Treasury Stock Purchases	(66,588)				(66,588)
Treasury Stock Purchases, Shares					(2,610,505)
Evercore LP Units Converted into Class A Common Stock	6,653	16,499				(9,867)		21
Evercore LP Units Converted into Class A Common Stock, Shares								2,107,753
Equity-based Compensation Awards	100,639	78,923				21,697		19
Equity-based Compensation Awards, Shares								1,918,483
Stock Issued During Period, Value, Acquisitions	8,259	2,618			5,641
Stock Issued During Period, Shares, Acquisitions					219,948
Dividends and Equivalents	(24,296)	4,969		(29,265)
Noncontrolling Interest	(43,464)	(23,856)				(19,608)
Ending Balance, Value at Dec. 31, 2012	490,749	654,275	(9,086)	(77,079)	(139,954)	62,243		350
Ending Balance, Shares at Dec. 31, 2012					(5,463,515)			(35,040,501)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	72,022			53,262		18,760
Other Comprehensive Income	(1,926)		(1,698)			(228)
Treasury Stock Purchases	(87,620)				(87,620)
Treasury Stock Purchases, Shares					(2,281,326)
Evercore LP Units Converted into Class A Common Stock	7,601	28,986				(21,414)		29
Evercore LP Units Converted into Class A Common Stock, Shares								2,913,266
Equity-based Compensation Awards	120,517	100,058			65	20,365		29
Equity-based Compensation Awards, Shares					2,600			2,818,667
Stock Issued During Period, Value, Acquisitions	1,494	365			1,129
Stock Issued During Period, Shares, Acquisitions					39,341
Dividends and Equivalents	(30,090)	5,989		(36,079)
Noncontrolling Interest	(9,589)	9,560				(19,149)
Ending Balance, Value at Dec. 31, 2013	563,158	799,233	(10,784)	(59,896)	(226,380)	60,577		408
Ending Balance, Shares at Dec. 31, 2013					(7,702,900)		(33,069,534)	(40,772,434)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	107,371			86,874		20,497
Other Comprehensive Income	(12,211)		(9,603)			(2,608)
Treasury Stock Purchases	(142,850)				(142,850)
Treasury Stock Purchases, Shares					(2,706,666)
Evercore LP Units Converted into Class A Common Stock	5,563	17,235				(11,686)		14
Evercore LP Units Converted into Class A Common Stock, Shares								1,421,493
Equity-based Compensation Awards	136,989	133,354				3,593		42
Equity-based Compensation Awards, Shares								4,220,313
Stock Issued During Period, Value, Acquisitions	87,662	11,073			4,245	72,344
Stock Issued During Period, Shares, Acquisitions					131,243
Dividends and Equivalents	(38,754)	6,038		(44,792)
Noncontrolling Interest	5,305	(16,786)			3,856	18,235
Stock Issued During Period, Shares, Other					119,207
Ending Balance, Value at Dec. 31, 2014	$ 712,233	$ 950,147	$ (20,387)	$ (17,814)	$ (361,129)	$ 160,952		$ 464
Ending Balance, Shares at Dec. 31, 2014					(10,159,116)		(36,255,124)	(46,414,240)