Noncontrolling Interest - Changes In Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			$ 249,819
Comprehensive Income:
Net Income Attributable to Noncontrolling Interest	$ 9,226	$ 9,838	35,709	$ 36,760
Total Comprehensive Income	8,724	10,265	34,943	36,768
Evercore LP Units Converted into Class A Shares	492	287	18,644	15,701
Total Other Items	(12,651)	(10,155)	(94,561)	(55,678)
Ending balance	238,605		238,605
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	236,549	227,274	249,819	252,404
Comprehensive Income:
Net Income Attributable to Noncontrolling Interest	9,226	9,838	35,709	36,760
Other Comprehensive Income (Loss)	(502)	427	(766)	8
Total Comprehensive Income	8,724	10,265	34,943	36,768
Evercore LP Units Converted into Class A Shares	(1,010)	(1,001)	(12,187)	(42,566)
Amortization and Vesting of LP Units	6,993	4,928	19,109	14,925
Distributions to Noncontrolling Interests	(13,251)	(9,790)	(44,947)	(30,374)
Issuance of Noncontrolling Interest	600	335	3,301	1,165
Purchase of Noncontrolling Interest	0	(700)	(11,433)	(1,011)
Total Other Items	(12,651)	(10,155)	(53,079)	(30,220)
Ending balance	$ 238,605	$ 231,311	$ 238,605	$ 231,311