Evercore Inc. (Parent Company Only) Financial Statements - Condensed Statements of Cash Flow (Parent Company Only) - (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 868,573	$ 412,680	$ 353,661
Increase (Decrease) in Deferred Income Taxes	29,078	13,824	(10,503)
Increase (Decrease) in Other Operating Assets	(4,649)	(19,043)	(58,962)
Increase (Decrease) in Income Taxes Payable	5,634	11,946	(30,221)
Net Cash Provided by Operating Activities	1,384,898	978,371	504,697
CASH FLOWS FROM INVESTING ACTIVITIES
Net Cash Provided by (Used in) Investing Activities	(705,892)	(483,871)	(373,471)
CASH FLOWS FROM FINANCING ACTIVITIES
Payment of Notes Payable	(38,000)	0	0
Issuance of Notes Payable	38,000	0	205,718
Payments of Ordinary Dividends, Common Stock	(118,762)	(106,582)	(96,803)
Net Cash Provided by (Used in) Financing Activities	(925,321)	(307,793)	(290,009)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	(250,931)	194,338	(156,210)
Cash, Cash Equivalents and Restricted Cash – Beginning of Period	587,293	838,224	643,886	$ 800,096
Cash, Cash Equivalents and Restricted Cash – End of Period	587,293	838,224	643,886
SUPPLEMENTAL CASH FLOW DISCLOSURE
Accrued Dividends	14,332	13,734	14,642
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	740,116	350,574	297,436
Undistributed Income Of Subsidiary	(954,167)	(451,129)	(383,717)
Increase (Decrease) in Deferred Income Taxes	29,017	11,395	(3,966)
Accretion On Long Term Debt	433	435	336
Increase (Decrease) in Other Operating Assets	25,603	(6,899)	(18,704)
Increase (Decrease) in Income Taxes Payable	13,075	0	(30,749)
Net Cash Provided by Operating Activities	(145,923)	(95,624)	(139,364)
CASH FLOWS FROM INVESTING ACTIVITIES
Investment In Subsidiary	264,685	202,206	30,449
Net Cash Provided by (Used in) Investing Activities	264,685	202,206	30,449
CASH FLOWS FROM FINANCING ACTIVITIES
Payment of Notes Payable	(38,000)	0	0
Issuance of Notes Payable	38,000	0	205,718
Payments of Ordinary Dividends, Common Stock	(118,762)	(106,582)	(96,803)
Net Cash Provided by (Used in) Financing Activities	(118,762)	(106,582)	108,915
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	0	0	0
Cash, Cash Equivalents and Restricted Cash – Beginning of Period	0	0	0	$ 0
Cash, Cash Equivalents and Restricted Cash – End of Period	0	0	0
SUPPLEMENTAL CASH FLOW DISCLOSURE
Accrued Dividends	$ 14,332	$ 13,734	$ 14,642