Evercore Partners Inc. Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 26, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Temporary Equity [Line Items]
Dividends declared per share of Class A common stock (in dollars per share)		$ 0.28	$ 0.25	$ 0.84	$ 0.75
Dividends per share, cash paid (in dollars per share)				$ 0.84
Declared and paid dividends				$ 33,987
Shares purchased for the net settlement of stock-based compensation awards (in shares)				969
Treasury Stock Acquired, Average Cost Per Share				$ 50.95
Increase in Treasury Stock				$ 151,665
LP Units exchanged by employees (in shares)				391
Increase in common stock				$ 4
Adjustments to Additional Paid in Capital				8,317
L P Units Purchased Or Converted Into Class Common Stock Value (in shares)				26
Accumulated Unrealized Gain (Loss) on Marketable Securities		$ (4,862)		(4,862)
Foreign Currency Translation Adjustment Gain (Loss), net		$ (23,308)		$ (23,308)
Minimum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)				$ 47.56
Maximum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)				59.02
Share Repurchase Program [Member]
Temporary Equity [Line Items]
Treasury Stock Acquired, Average Cost Per Share				$ 50.84
Stock repurchase program number of shares purchased (in shares)				1,997
Share Repurchase Program [Member] | Minimum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)				$ 47.10
Share Repurchase Program [Member] | Maximum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)				$ 57.03
Subsequent Event [Member]
Temporary Equity [Line Items]
Dividends payable, date declared	Oct. 26, 2015
Dividends declared per share of Class A common stock (in dollars per share)	$ 0.31
Dividend record date	Nov. 27, 2015
Dividend payment date	Dec. 11, 2015
LP Unit Purchases [Member]
Temporary Equity [Line Items]
Adjustments to Additional Paid in Capital				$ (770)
Noncontrolling Interest, Period Increase (Decrease)				$ (353)