Evercore Inc. Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
	Apr. 27, 2021	Mar. 31, 2021
Temporary Equity [Line Items]
Dividends Declared Per Share of Class A Common Stock (in dollars per share)		$ 0.61
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)		$ 0.61
Declared and Paid Dividends, Cash		$ 25,394
Treasury Stock, Shares, Acquired (in shares)		1,940
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)		$ 121.03
Increase in Treasury Stock		$ 234,854
LP Units Exchanged By Employees (in units)		120
Increase in Common Stock		$ 1
Adjustments to Additional Paid-In-Capital		5,713
Accumulated Unrealized Gain (Loss) on Securities and Investments		(5,252)
Foreign Currency Translation Adjustment Gain (Loss), Net		$ (3,145)
Share Repurchase Program [Member]
Temporary Equity [Line Items]
Treasury Stock, Shares, Acquired (in shares)		1,023
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)		$ 125.00
Net Settlement of Share Based Awards [Member]
Temporary Equity [Line Items]
Treasury Stock, Shares, Acquired (in shares)		917
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)		$ 116.61
Dividends Accrued [Member]
Temporary Equity [Line Items]
Accrued Deferred Cash Dividends		$ 3,411
Dividend Paid [Member]
Temporary Equity [Line Items]
Accrued Deferred Cash Dividends		$ 12,020
Subsequent Event [Member]
Temporary Equity [Line Items]
Dividends Declared Per Share of Class A Common Stock (in dollars per share)	$ 0.68