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, 2016		$ 783,331		$ 582	$ 1,368,122	$ (50,096)	$ 20,343	$ (811,653)	$ 256,033
Beginning Balance, Shares at Dec. 31, 2016				58,292,567,000				(19,101,711,000)
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								(3,916,039,000)
Evercore LP Units Purchased or Converted into Class A Shares		36,963		$ 12	84,214				(47,263)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares				1,212,641,000
Equity-based Compensation Awards		171,775		$ 27	156,826				14,922
Equity-based Compensation Awards, Shares				2,614,696,000
Dividends		(66,336)					(66,336)
Noncontrolling Interest (Note 17)		(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				62,119,904,000				(23,017,750,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect of Accounting Change (1)	[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)						(3,105,688,000)
Evercore LP Units Purchased or Converted into Class A Shares		$ 23,968		$ 12	70,550				(46,594)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares				1,181,669,000
Equity-based Compensation Awards		192,195		$ 26	172,309				19,860
Equity-based Compensation Awards, Shares				2,570,441,000
Dividends		(89,590)					(89,590)
Noncontrolling Interest (Note 17)		(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	65,872,014,000				(26,123,438,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		353,661					297,436		56,225
Other Comprehensive Income		3,351				2,838			513
Treasury Stock Purchases		$ (283,081)						$ (283,081)
Treasury Stock Purchases, Shares		(3,399,000)						(3,399,227,000)
Evercore LP Units Purchased or Converted into Class A Shares		$ 17,825		$ 3	32,964				(15,142)
Evercore LP Units Purchased or Converted into Class A Common Stock, Shares				353,383,000
Equity-based Compensation Awards		234,857		$ 25	206,942				27,890
Equity-based Compensation Awards, Shares				2,473,278,000
Dividends		(104,049)					(104,049)
Noncontrolling Interest (Note 17)		(104,253)			(41,482)				(62,771)
Ending Balance at Dec. 31, 2019		$ 1,126,250		$ 687	$ 2,016,524	$ (27,596)	$ 558,269	$ (1,678,168)	$ 256,534
Ending Balance, Shares at Dec. 31, 2019			39,176,010	68,698,675,000				(29,522,665,000)

[1] (1) The cumulative adjustment relates to the adoption of ASU No. 2016-01, "Recognition and Measurement of Financial Assets and Financial Liabilities" on January 1, 2018, for which the Company recorded an adjustment to Retained Earnings to reflect cumulative unrealized losses, net of tax, on available-for-sale equity securities previously recorded in Accumulated Other Comprehensive Income (Loss).