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 [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	148,512					107,528		40,984
Other Comprehensive Income	(19,294)				(15,557)			(3,737)
Treasury Stock Purchases	(167,241)						$ (167,241)
Treasury Stock Purchases, Shares							(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 16)	(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			58,292,567				(19,101,711)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	179,207					125,454		53,753
Other Comprehensive Income	22,060				18,685			3,375
Treasury Stock Purchases	$ (293,753)						$ (293,753)
Treasury Stock Purchases, 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 16)	(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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect of Accounting Change (1)	0				2,229	(2,229)
Net Income	442,851					377,240		65,611
Other Comprehensive Income	(1,455)				(1,252)			(203)
Treasury Stock Purchases	$ (289,681)						$ (289,681)
Treasury Stock Purchases, Shares	(3,106,000)						(3,105,688)
Evercore LP Units Purchased or Converted into Class A Common Stock	$ 23,968		$ 12	70,550				(46,594)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares			1,181,669
Equity-based Compensation Awards	192,195		$ 26	172,309				19,860
Equity-based Compensation Awards, Shares			2,570,441
Dividends	(89,590)					(89,590)
Noncontrolling Interest (Note 16)	(66,717)			(25,458)				(41,259)
Ending Balance at Dec. 31, 2018	$ 1,007,939		$ 659	$ 1,818,100	$ (30,434)	$ 364,882	$ (1,395,087)	$ 249,819
Ending Balance, Shares at Dec. 31, 2018		39,748,576	65,872,014				(26,123,438)