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	78,200					67,232		10,968
Other Comprehensive Income (Loss)	2,252				1,927			325
Treasury Stock Purchases	(107,693)						$ (107,693)
Treasury Stock Purchases, Shares							(1,249,510,000)
Evercore LP Units Converted into Class A Common Stock	5,871		$ 2	16,292				(10,423)
Evercore LP Units Converted into Class A Common Stock, Shares			237,367,000
Equity-based Compensation Awards	61,206		$ 23	55,677				5,506
Equity-based Compensation Awards, Shares			2,331,952,000
Dividends	(23,833)					(23,833)
Noncontrolling Interest (Note 14)	(17,984)			0				(17,984)
Ending Balance, Shares at Mar. 31, 2019			68,441,333,000				(27,372,948,000)
Ending Balance at Mar. 31, 2019	1,005,958		$ 684	1,890,069	(28,507)	408,281	$ (1,502,780)	238,211
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	38,880					31,175		7,705
Other Comprehensive Income (Loss)	(12,241)				(10,332)			(1,909)
Treasury Stock Purchases	$ (141,014)						$ (141,014)
Treasury Stock Purchases, Shares	(1,842,000)						(1,841,880,000)
Evercore LP Units Converted into Class A Common Stock	$ 8,414		$ 8	41,577				(33,171)
Evercore LP Units Converted into Class A Common Stock, Shares			791,695,000
Equity-based Compensation Awards	58,744		$ 24	55,409				3,311
Equity-based Compensation Awards, Shares			2,409,586,000
Dividends	(27,117)					(27,117)
Noncontrolling Interest (Note 14)	(12,741)			(1,565)				(11,176)
Ending Balance, Shares at Mar. 31, 2020		40,535,411	71,899,956,000				(31,364,545,000)
Ending Balance at Mar. 31, 2020	$ 1,037,865		$ 719	$ 2,111,945	$ (37,928)	$ 561,017	$ (1,819,182)	$ 221,294