Evercore Inc. Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
Apr. 21, 2020	Mar. 31, 2020
Temporary Equity [Line Items]
Dividends Declared Per Share of Class A Common Stock (in dollars per share)		$ 0.58
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)		$ 0.58
Declared and Paid Dividends, Cash		$ 23,586
Treasury Stock, Shares, Acquired (in shares)		1,842
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)		$ 76.57
Increase in Treasury Stock		$ 141,014
LP Units Exchanged By Employees (in units)		792
Increase in Common Stock		$ 8
Adjustments to Additional Paid-In-Capital		33,164
Accumulated Unrealized Gain (Loss) on Securities and Investments		(4,799)
Foreign Currency Translation Adjustment Gain (Loss), Net		$ (33,129)
Share Repurchase Program [Member]
Temporary Equity [Line Items]
Treasury Stock, Shares, Acquired (in shares)		850
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)		$ 76.02
Share Repurchase Program [Member] \| Minimum [Member]
Temporary Equity [Line Items]
Treasury Stock Acquired, Market Value Per Share (in dollars per share)		69.60
Share Repurchase Program [Member] \| Maximum [Member]
Temporary Equity [Line Items]
Treasury Stock Acquired, Market Value Per Share (in dollars per share)		$ 81.96
Net Settlement of Share Based Awards [Member]
Temporary Equity [Line Items]
Treasury Stock, Shares, Acquired (in shares)		992
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)		$ 77.05
Net Settlement of Share Based Awards [Member] \| Minimum [Member]
Temporary Equity [Line Items]
Treasury Stock Acquired, Market Value Per Share (in dollars per share)		45.86
Net Settlement of Share Based Awards [Member] \| Maximum [Member]
Temporary Equity [Line Items]
Treasury Stock Acquired, Market Value Per Share (in dollars per share)		$ 81.31
Dividends Accrued [Member]
Temporary Equity [Line Items]
Accrued Deferred Cash Dividends		$ 3,531
Dividend Paid [Member]
Temporary Equity [Line Items]
Accrued Deferred Cash Dividends		$ 10,571
Subsequent Event [Member]
Temporary Equity [Line Items]
Dividends Declared Per Share of Class A Common Stock (in dollars per share)	$ 0.58

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