Noncontrolling Interest - Changes In Noncontrolling Interest (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			$ 202,664
Net Income (Loss) Attributable to Noncontrolling Interest	$ 12,588	$ (1,762)	24,454	$ 5,453
Total comprehensive income	11,739	(3,348)	21,757	3,186
Ending balance	245,532		245,532
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			202,664	160,952
Net Income (Loss) Attributable to Noncontrolling Interest			24,454	5,453
Other comprehensive income (loss)			(2,697)	(2,267)
Total comprehensive income			21,757	3,186
Evercore LP Units Purchased or Converted into Class A Shares			(9,164)	(7,512)
Amortization and Vesting of LP Units/Interests			66,357	65,272
Distributions to Noncontrolling Interests			(25,519)	(15,059)
Issuance of Noncontrolling Interest			885	373
Purchase of Noncontrolling Interest			(5,225)	0
Deconsolidation of GMP III			(5,808)	0
Other, net			(415)	(191)
Total other items			(36,082)	(14,877)
Ending balance	$ 245,532	$ 207,021	$ 245,532	$ 207,021

Amortization and vesting of partnership units

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Changes in noncontrolling, total other items.

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LP Units Purchased or Converted into Class Common Stock Value

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Other Noncontrolling interest activity for the period

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.

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Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

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Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.

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