Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Class A [Member]	Common Stock [Member] 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 at Dec. 31, 2015	$ 707,216		$ 552	$ 1,210,742	$ (34,539)	$ (27,791)	$ (644,412)	$ 202,664
Beginning Balance, Shares at Dec. 31, 2015			55,249,559				(15,626,288)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	7,678					5,318		2,360
Other Comprehensive Income (Loss)	(2,201)				(1,820)			(381)
Treasury Stock Purchases, net	(108,771)						$ (108,771)
Treasury Stock Purchases, net, Shares							(2,331,764)
Evercore LP Units Converted into Class A Common Stock	0		$ 2	4,134				(4,136)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares			160,044
Equity-based Compensation Awards	62,246		$ 22	30,464				31,760
Equity-based Compensation Awards, Shares			2,225,077
Dividends	(12,326)			1,940		(14,266)
Noncontrolling Interest (Note 12)	(15,212)			(1,257)				(13,955)
Ending Balance at Mar. 31, 2016	638,630		$ 576	1,246,023	(36,359)	(36,739)	$ (753,183)	218,312
Ending Balance, Shares at Mar. 31, 2016			57,634,680				(17,958,052)
Beginning Balance at Dec. 31, 2016	783,331		$ 582	1,368,122	(50,096)	20,343	$ (811,653)	256,033
Beginning Balance, Shares at Dec. 31, 2016		39,190,856	58,292,567				(19,101,711)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	94,647					80,771		13,876
Other Comprehensive Income (Loss)	222				178			44
Treasury Stock Purchases, net	(86,383)						$ (86,383)
Treasury Stock Purchases, net, Shares							(1,107,695)
Evercore LP Units Converted into Class A Common Stock	503		$ 7	23,622				(23,126)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares			628,930
Equity-based Compensation Awards	18,331		$ 25	39,678				(21,372)
Equity-based Compensation Awards, Shares			2,457,893
Dividends	(18,409)			0		(18,409)
Noncontrolling Interest (Note 12)	(7,761)			(7,054)				(707)
Ending Balance at Mar. 31, 2017	$ 784,481		$ 614	$ 1,424,368	$ (49,918)	$ 82,705	$ (898,036)	$ 224,748
Ending Balance, Shares at Mar. 31, 2017		41,169,984	61,379,390				(20,209,406)