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Evercore Partners Inc. Stockholders' Equity - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Apr. 20, 2015
Temporary Equity [Line Items]
Dividends declared per share of Class A common stock (in dollars per share)	$ 0.28	$ 0.25
Dividends per share, cash paid (in dollars per share)	$ 0.28
Declared and paid dividends	$ 11,900us-gaap_DividendsCommonStockCash
Shares purchased for the net settlement of stock-based compensation awards (in shares)	908
Increase in Treasury Stock	88,051evr_IncreaseInTreasuryStock
LP Units exchanged by employees (in shares)	87evr_LPUnitsExchangedByEmployees
Increase in common stock	1evr_IncreaseDecreaseInCommonStock
Adjustments to Additional Paid in Capital	1,549
Accumulated Unrealized Gain (Loss) on Marketable Securities	(4,726)
Foreign Currency Translation Adjustment Gain (Loss), net	$ (19,424)
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)	$ 52.85
Share Repurchase Program [Member]
Temporary Equity [Line Items]
Stock repurchase program number of shares purchased (in shares)	814
Share Repurchase Program [Member] \| Minimum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)	$ 49.01
Share Repurchase Program [Member] \| Maximum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)	$ 53.39
Subsequent Event [Member]
Temporary Equity [Line Items]
Dividends payable, date declared			Apr. 20, 2015
Dividends declared per share of Class A common stock (in dollars per share)			$ 0.28
Dividend record date			May 29, 2015
Dividend payment date			Jun. 12, 2015