Evercore Partners Inc. Stockholders' Equity - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	3 Months Ended								12 Months Ended			0 Months Ended	1 Months Ended	0 Months Ended
	Dec. 31, 2012	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 02, 2015	Jun. 30, 2014	May 22, 2014
Temporary Equity [Line Items]
Dividends declared per share of Class A common stock (in dollars per share)		$ 0.28	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.22	$ 0.22	$ 0.22	$ 1.03	$ 0.91	$ 0.82
Dividends per share, cash paid (in dollars per share)										$ 1.03	$ 0.91
Declared and paid dividends										$ 38,754	$ 30,090
Shares purchased for the net settlement of stock-based compensation awards (in shares)										1,661	983
Increase in Treasury Stock										142,850	87,620
Decrease In Treasury Stock										8,101	1,194
LP Units exchanged by employees (in shares)	983									1,421	2,913
Increase in common stock										14	29
Adjustments to Additional Paid in Capital										16,254	20,222
LP Units Purchased											185
Accumulated Unrealized Gain (Loss) on Marketable Securities		(4,096)								(4,096)
Foreign Currency Translation Adjustment Gain (Loss), net		(16,291)								(16,291)
Income (Loss) from Discontinued Operations										0	(4,260)	0
Provision (Benefit) for Income Taxes from Discontinued Operations										0	(1,470)	0
Step Up In Tax Basis [Member]
Temporary Equity [Line Items]
Adjustments to Additional Paid in Capital										981	7,178
LP Unit Purchases [Member]
Temporary Equity [Line Items]
Adjustments to Additional Paid in Capital											1,586
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests											5,893
Accumulated Translation Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Temporary Equity [Line Items]
Income (Loss) from Discontinued Operations											409
Provision (Benefit) for Income Taxes from Discontinued Operations											135
Accumulated Translation Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Consolidation Foreign Exchange Translation Loss [Member]
Temporary Equity [Line Items]
Income (Loss) from Discontinued Operations											(1,683)
Provision (Benefit) for Income Taxes from Discontinued Operations											(573)
Minimum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)										$ 45.82	$ 22.24
Maximum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)										$ 61.82	$ 55.12
Share Repurchase Program [Member]
Temporary Equity [Line Items]
Stock repurchase program number of shares purchased (in shares)										1,046	1,298
Share Repurchase Program [Member] | Minimum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)										$ 47.99	$ 36.00
Share Repurchase Program [Member] | Maximum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)										$ 55.00	$ 41.00
Subsequent Event [Member]
Temporary Equity [Line Items]
Dividends payable, date declared													Feb. 02, 2015
Dividends declared per share of Class A common stock (in dollars per share)													$ 0.28
Dividend record date													Feb. 27, 2015
Dividend payment date													Mar. 13, 2015
G5 Evercore [Member]
Temporary Equity [Line Items]
Equity interest issued or issuable (in shares)										131				131
EWM [Member]
Temporary Equity [Line Items]
Equity interest issued or issuable (in shares)										119					119
Decrease In Treasury Stock				3,856
Adjustments to Additional Paid in Capital				$ 3,244						$ (4,116)	$ (3,123)
M J C Associates Agreement [Member]
Temporary Equity [Line Items]
Equity interest issued or issuable (in shares)											39
Former Employee [Member]
Temporary Equity [Line Items]
Equity interest issued or issuable (in shares)											3