Condensed 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, 2018	$ 1,007,939		$ 659	$ 1,818,100	$ (30,434)	$ 364,882	$ (1,395,087)	$ 249,819
Beginning Balance, Shares at Dec. 31, 2018			65,872,014,000				(26,123,438,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	175,457					148,974		26,483
Other Comprehensive Income	(1,818)				(1,554)			(264)
Treasury Stock Purchases	(214,829)						$ (214,829)
Treasury Stock Purchases, Shares							(2,520,457,000)
Evercore LP Units Exchanged for Class A Common Stock	18,152		$ 2	29,327				(11,177)
Evercore LP Units Exchanged for Class A Common Stock, Shares			256,896,000
Equity-based Compensation Awards	122,698		$ 24	110,558				12,116
Equity-based Compensation Awards, Shares			2,379,591,000
Dividends	(50,854)					(50,854)
Noncontrolling Interest (Note 14)	(81,910)			(41,482)				(40,428)
Ending Balance at Jun. 30, 2019	974,835		$ 685	1,916,503	(31,988)	463,002	$ (1,609,916)	236,549
Ending Balance, Shares at Jun. 30, 2019			68,508,501,000				(28,643,895,000)
Beginning Balance at Mar. 31, 2019	1,005,958		$ 684	1,890,069	(28,507)	408,281	$ (1,502,780)	238,211
Beginning Balance, Shares at Mar. 31, 2019			68,441,333,000				(27,372,948,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	97,257					81,742		15,515
Other Comprehensive Income	(4,070)				(3,481)			(589)
Treasury Stock Purchases	(107,136)						$ (107,136)
Treasury Stock Purchases, Shares							(1,270,947,000)
Evercore LP Units Exchanged for Class A Common Stock	12,281		$ 0	13,035				(754)
Evercore LP Units Exchanged for Class A Common Stock, Shares			19,529,000
Equity-based Compensation Awards	61,492		$ 1	54,881				6,610
Equity-based Compensation Awards, Shares			47,639,000
Dividends	(27,021)					(27,021)
Noncontrolling Interest (Note 14)	(63,926)			(41,482)				(22,444)
Ending Balance at Jun. 30, 2019	974,835		$ 685	1,916,503	(31,988)	463,002	$ (1,609,916)	236,549
Ending Balance, Shares at Jun. 30, 2019			68,508,501,000				(28,643,895,000)
Beginning Balance at Dec. 31, 2019	1,126,250		$ 687	2,016,524	(27,596)	558,269	$ (1,678,168)	256,534
Beginning Balance, Shares at Dec. 31, 2019		39,176,010	68,698,675,000				(29,522,665,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	106,108					87,587		18,521
Other Comprehensive Income	(11,338)				(9,571)			(1,767)
Treasury Stock Purchases	$ (142,560)						$ (142,560)
Treasury Stock Purchases, Shares	(1,871,000)						(1,870,815,000)
Evercore LP Units Exchanged for Class A Common Stock	$ 8,596		$ 8	42,342				(33,754)
Evercore LP Units Exchanged for Class A Common Stock, Shares			806,355,000
Equity-based Compensation Awards	115,256		$ 25	109,536				5,695
Equity-based Compensation Awards, Shares			2,472,723,000
Dividends	(53,680)					(53,680)
Noncontrolling Interest (Note 14)	(15,172)			(1,565)				(13,607)
Ending Balance at Jun. 30, 2020	1,132,150		$ 720	2,166,837	(37,167)	590,866	$ (1,820,728)	231,622
Ending Balance, Shares at Jun. 30, 2020		40,584,273	71,977,753,000				(31,393,480,000)
Beginning Balance at Mar. 31, 2020	1,037,865		$ 719	2,111,945	(37,928)	561,017	$ (1,819,182)	221,294
Beginning Balance, Shares at Mar. 31, 2020			71,899,956,000				(31,364,545,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	67,228					56,412		10,816
Other Comprehensive Income	903				761			142
Treasury Stock Purchases	$ (1,546)						$ (1,546)
Treasury Stock Purchases, Shares	(29,000)						(28,935,000)
Evercore LP Units Exchanged for Class A Common Stock	$ 182		$ 0	765				(583)
Evercore LP Units Exchanged for Class A Common Stock, Shares			14,660,000
Equity-based Compensation Awards	56,512		$ 1	54,127				2,384
Equity-based Compensation Awards, Shares			63,137,000
Dividends	(26,563)					(26,563)
Noncontrolling Interest (Note 14)	(2,431)			0				(2,431)
Ending Balance at Jun. 30, 2020	$ 1,132,150		$ 720	$ 2,166,837	$ (37,167)	$ 590,866	$ (1,820,728)	$ 231,622
Ending Balance, Shares at Jun. 30, 2020		40,584,273	71,977,753,000				(31,393,480,000)