Evercore Partners Inc. Stockholders' Equity - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended	3 Months Ended						1 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Minimum	Mar. 31, 2013 Maximum	Mar. 31, 2013 Reclassification out of Accumulated Other Comprehensive Income Accumulated Translation Adjustment	Mar. 31, 2013 Share Repurchase Program	Mar. 31, 2013 Share Repurchase Program Minimum	Mar. 31, 2013 Share Repurchase Program Maximum	Apr. 22, 2013 Subsequent Event
Temporary Equity [Line Items]
Dividends Declared Per Share of Class A Common Stock	$ 0.22	$ 0.20								$ 0.22
Dividend record date										May 31, 2013
Dividend payment date										Jun. 14, 2013
Declared and paid dividends per share	$ 0.22
Declared and paid dividends	$ 7,115
Shares purchased for the net settlement of stock-based compensation awards	753
Treasury stock acquired, market value per share				$ 22.24	$ 43.18			$ 39.22	$ 39.46
Number of shares repurchased							31
Increase in Treasury Stock	29,752
Unit gifted by employees	1,326		983
Exchange settlement period	2013-01
Increase in common stock	13
Increase to Additional Paid-In-Capital	8,065
Accumulated Unrealized Gain (Loss) on Marketable Securities, net	(1,013)
Accumulated foreign Currency Translation Adjustment Gain (Loss), net	(8,091)
Other revenue	1,793	2,296				(1,683)
Provision (Benefit) for Income Taxes	$ 7,322	$ (4,638)				$ (573)