Consolidated Statements of Changes in Equity - 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, 2014	$ 712,233		$ 464	$ 950,147	$ (20,387)	$ (17,814)	$ (361,129)	$ 160,952
Beginning Balance, Shares at Dec. 31, 2014			46,414,240				(10,159,116)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	57,690					42,863		14,827
Other Comprehensive Income (Loss)	(18,038)				(14,152)			(3,886)
Treasury Stock Purchases, net	(283,283)						$ (283,283)
Treasury Stock Purchases, net, Shares							(5,467,172)
Evercore LP Units Purchased or Converted into Class A Common Stock	(960)		$ 6	11,046				(12,012)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares			585,723
Equity-based Compensation Awards	206,119		$ 28	123,357				82,734
Equity-based Compensation Awards, Shares			2,795,051
Dividends	(46,326)			6,514		(52,840)
Noncontrolling Interest (Note 15)	(38,620)			1,331				(39,951)
Exercise of Warrants	118,401		$ 54	118,347
Exercise of Warrants, Shares			5,454,545
Ending Balance at Dec. 31, 2015	707,216		$ 552	1,210,742	(34,539)	(27,791)	$ (644,412)	202,664
Ending Balance, Shares at Dec. 31, 2015			55,249,559				(15,626,288)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	148,512					107,528		40,984
Other Comprehensive Income (Loss)	(19,294)				(15,557)			(3,737)
Treasury Stock Purchases, net	$ (167,241)						$ (167,241)
Treasury Stock Purchases, net, Shares	(3,475,000)						(3,475,423)
Evercore LP Units Purchased or Converted into Class A Common Stock	$ 6,620		$ 5	23,095				(16,480)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares			532,175
Equity-based Compensation Awards	209,123		$ 25	127,706				81,392
Equity-based Compensation Awards, Shares			2,510,833
Dividends	(51,558)			7,836		(59,394)
Noncontrolling Interest (Note 15)	(50,047)			(1,257)				(48,790)
Ending Balance at Dec. 31, 2016	783,331		$ 582	1,368,122	(50,096)	20,343	$ (811,653)	256,033
Ending Balance, Shares at Dec. 31, 2016		39,190,856	58,292,567				(19,101,711)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	179,207					125,454		53,753
Other Comprehensive Income (Loss)	22,060				18,685			3,375
Treasury Stock Purchases, net	$ (293,753)						$ (293,753)
Treasury Stock Purchases, net, Shares	(3,916,000)						(3,916,039)
Evercore LP Units Purchased or Converted into Class A Common Stock	$ 36,963		$ 12	84,214				(47,263)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares			1,212,641
Equity-based Compensation Awards	171,775		$ 27	156,826				14,922
Equity-based Compensation Awards, Shares			2,614,696
Dividends	(66,336)					(66,336)
Noncontrolling Interest (Note 15)	(36,879)			(8,463)				(28,416)
Ending Balance at Dec. 31, 2017	$ 796,368		$ 621	$ 1,600,699	$ (31,411)	$ 79,461	$ (1,105,406)	$ 252,404
Ending Balance, Shares at Dec. 31, 2017		39,102,154	62,119,904				(23,017,750)