Evercore Partners Inc. Stockholders' Equity - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended								0 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2013 Accumulated Translation Adjustment [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Consolidation Foreign Exchange Translation Loss [Member]	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]	Sep. 30, 2014 Share Repurchase Program [Member]	Sep. 30, 2014 Share Repurchase Program [Member] Minimum [Member]	Sep. 30, 2014 Share Repurchase Program [Member] Maximum [Member]	Oct. 20, 2014 Subsequent Event [Member]	Jun. 30, 2014 G5 Evercore [Member]	Sep. 30, 2014 G5 Evercore [Member]	Apr. 30, 2014 EWM [Member]	Jun. 30, 2014 EWM [Member]	Sep. 30, 2014 EWM [Member]
Temporary Equity [Line Items]
Dividends payable, date declared											Oct. 20, 2014
Dividends declared per share of Class A common stock (in dollars per share)	$ 0.25	$ 0.22	$ 0.75	$ 0.66							$ 0.28
Dividend record date											Nov. 28, 2014
Dividend payment date											Dec. 12, 2014
Dividends per share, cash paid (in dollars per share)			$ 0.75
Declared and paid dividends			$ 27,911
Shares purchased for the net settlement of stock-based compensation awards (in shares)			1,612
Treasury stock acquired, market value per share (in dollars per share)						$ 45.82	$ 61.82		$ 48.16	$ 55.00
Stock repurchase program number of shares purchased (in shares)								938
Increase in Treasury Stock			135,137
Equity interest issued or issuable (in shares)												131	131	119		119
Decrease In Treasury Stock			8,101												3,856
LP Units exchanged by employees (in shares)			1,102
Increase in common stock			11
Increase to Additional Paid-In-Capital			12,067												3,244
Accumulated Unrealized Gain (Loss) on Marketable Securities	(2,507)		(2,507)
Foreign Currency Translation Adjustment Gain (Loss), net	(10,986)		(10,986)
Income (Loss) from Discontinued Operations	0	(2,811)	0	(4,236)	(1,683)
Provision (Benefit) for Income Taxes from Discontinued Operations	$ 0	$ (985)	$ 0	$ (1,462)	$ (573)