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Grant Of LP Units

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LP Units Purchased or Converted into Class Common Stock Value

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Limited Partnership Units Convertible Conversion Ratio

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Purchase Of Noncontrolling Interest

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Purchase Of Noncontrolling Interest (as a percent)

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Purchase Of Noncontrolling Interest (in shares)

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Cash value of redemption of LP Units Issues

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Amount of other increase (decrease) in additional paid in capital (APIC).

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Number of shares of equity interests issued or issuable to acquire entity.

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Represents the purchase by the parent of an additional equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The purchase of the additional equity interest represented by this element increases the parent's controlling interest in the subsidiary.

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Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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The number of limited partner units issued.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to noncontrolling interest. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to noncontrolling interests.

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Noncontrolling Interest - Additional Information (Detail) $ in Thousands			1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Jan. 29, 2016 USD ($)	Oct. 31, 2014 USD ($)	May. 31, 2014 USD ($) shares	Sep. 30, 2014 shares	Jun. 30, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) shares	Dec. 31, 2013 USD ($)	Mar. 31, 2014 USD ($)	Dec. 03, 2013	Jun. 30, 2013	Dec. 31, 2010 USD ($) shares	Feb. 28, 2010 shares
Noncontrolling Interest [Line Items]
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest								$ (1,185)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest						$ (1,083)	$ (981)	(180)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest						(2,803)	(1,627)	(48)
Redeemable Noncontrolling Interest						0	4,014
Adjustments to Additional Paid in Capital						12,833	16,254
L P Units Purchased Or Converted Into Class Common Stock Value (in shares)						26
Decrease In Treasury Stock							8,101
Purchase of Noncontrolling Interest						$ 0	7,100	0
Temporary Equity, Accretion to Redemption Value								68
Evercore LP [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)						14.00%
ECB [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)						28.00%
Evercore Wealth Management [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)						38.00%
Redeemable Noncontrolling Interest									$ 34,577
Adjustments to Additional Paid in Capital					$ 3,244		$ (4,116)
Noncontrolling Interest, Period Increase (Decrease)					27,477
Purchase Of Noncontrolling Interest (in shares) \| shares			3,000
Purchase Of Noncontrolling Interest (as a percent)			22.00%
Equity interest issued or issuable (in shares) \| shares			119,000				119,000
Grant Of LP Units (in units) \| shares			11,000
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent			$ 7,100
Noncontrolling Interest, Ownership Percentage by Parent			62.00%
Temporary Equity, Other Changes					(34,577)
Decrease In Treasury Stock					$ 3,856
Atalanta Sosnoff [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)						34.00%
Redeemable Noncontrolling Interest							$ 4,014
Adjustments to Additional Paid in Capital						$ 6,333	269
Noncontrolling Interest, Period Increase (Decrease)						(16,090)
Temporary Equity, Other Changes						$ (2,683)
PCA [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)						39.00%
Institutional Equities [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)		38.00%
Adjustments to Additional Paid in Capital							(17,307)
Purchase of Noncontrolling Interest		$ 11,086
Evercore Trust Company [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)											14.00%
Adjustments to Additional Paid in Capital								(3,362)
Purchase of Noncontrolling Interest								$ 7,890
Pan [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)										32.00%
Trilantic [Member]
Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interest												$ 16,090
Issued LP Units (in shares) \| shares												500,000	500,000
Redeemable Cash Value Of Lp Units Issued							$ 16,500
Redemption period (in days)							5 years
LP Unit Purchases [Member]
Noncontrolling Interest [Line Items]
Adjustments to Additional Paid in Capital						$ (770)
Noncontrolling Interest, Period Increase (Decrease)						$ (353)
LP Units [Member]
Noncontrolling Interest [Line Items]
Limited Partnership Units Convertible Conversion Ratio						1
LP Units [Member] \| Trilantic [Member]
Noncontrolling Interest [Line Items]
Limited Partnership Units Convertible Conversion Ratio							1
Evercore ISI [Member]
Noncontrolling Interest [Line Items]
Issuance of Noncontrolling Interest for Acquisitions and Investments							$ 68,835
Other Acquisitions [Member]
Noncontrolling Interest [Line Items]
Grant Of LP Units (in units) \| shares				72,000
Issuance of Noncontrolling Interest for Acquisitions and Investments							3,509
Subsidiary of Common Parent [Member]
Noncontrolling Interest [Line Items]
Adjustments to Additional Paid in Capital							1,124
Noncontrolling Interest, Period Increase (Decrease)							$ (1,124)
Subsequent Event [Member] \| ECB [Member]
Noncontrolling Interest [Line Items]
Purchase of Noncontrolling Interest	$ 6,528