Evercore Partners Inc. Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended		3 Months Ended								6 Months Ended	12 Months Ended
	Feb. 01, 2016	Jun. 30, 2014	May. 31, 2014	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Temporary Equity [Line Items]
Dividends declared per share of Class A common stock (in dollars per share)				$ 0.31	$ 0.28	$ 0.28	$ 0.28	$ 0.28	$ 0.25	$ 0.25	$ 0.25		$ 1.15	$ 1.03	$ 0.91
Dividends per share, cash paid (in dollars per share)													$ 1.15	$ 1.03
Declared and paid dividends													$ 46,326	$ 38,754
Shares purchased for the net settlement of stock-based compensation awards (in shares)													996	1,661
Treasury Stock Acquired, Average Cost Per Share													$ 50.92	$ 53.61
Increase in Treasury Stock													$ 283,283	$ 142,850
Decrease In Treasury Stock														$ 8,101
LP Units exchanged by employees (in shares)													586	1,421
Increase in common stock													$ 6	$ 14
Adjustments to Additional Paid in Capital													12,833	16,254
L P Units Purchased Or Converted Into Class Common Stock Value (in shares)													26
Accumulated Unrealized Gain (Loss) on Marketable Securities				$ (4,764)									(4,764)
Foreign Currency Translation Adjustment Gain (Loss), net				$ (29,775)									(29,775)
Income (Loss) from Discontinued Operations													0	0	$ (4,260)
Provision (Benefit) for Income Taxes													$ 0	$ 0	(1,470)
Minimum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)													$ 47.56	$ 45.82
Maximum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)													59.02	61.82
Share Repurchase Program [Member]
Temporary Equity [Line Items]
Treasury Stock Acquired, Average Cost Per Share													$ 51.82	$ 50.75
Stock repurchase program number of shares purchased (in shares)													4,471	1,046
Share Repurchase Program [Member] | Minimum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)													$ 47.10	$ 47.99
Share Repurchase Program [Member] | Maximum [Member]
Temporary Equity [Line Items]
Treasury stock acquired, market value per share (in dollars per share)													$ 57.03	$ 55.00
Subsequent Event [Member]
Temporary Equity [Line Items]
Dividends payable, date declared	Feb. 01, 2016
Dividends declared per share of Class A common stock (in dollars per share)	$ 0.31
Dividend record date	Feb. 26, 2016
Dividend payment date	Mar. 11, 2016
LP Unit Purchases [Member]
Temporary Equity [Line Items]
Adjustments to Additional Paid in Capital													$ (770)
Noncontrolling Interest, Period Increase (Decrease)													$ (353)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Temporary Equity [Line Items]
Income (Loss) from Discontinued Operations															409
Provision (Benefit) for Income Taxes															135
Consolidation Foreign Exchange Translation Loss [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Temporary Equity [Line Items]
Income (Loss) from Discontinued Operations															(1,683)
Provision (Benefit) for Income Taxes															$ (573)
G5 Evercore [Member]
Temporary Equity [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		131												131
Evercore Wealth Management [Member]
Temporary Equity [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			119											119
Decrease In Treasury Stock												$ 3,856
Adjustments to Additional Paid in Capital												3,244		$ (4,116)
Noncontrolling Interest, Period Increase (Decrease)												$ 27,477