Noncontrolling Interest - Changes In Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	$ 252,404
Comprehensive Income:
Net Income Attributable to Noncontrolling Interest	14,193	$ 13,876
Total Comprehensive Income	14,714	13,920
Total Other Items	(38,658)	(7,761)
Ending balance	224,473
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	252,404	256,033
Comprehensive Income:
Net Income Attributable to Noncontrolling Interest	14,193	13,876
Other Comprehensive Income	521	44
Total Comprehensive Income	14,714	13,920
Evercore LP Units Converted into Class A Shares	(34,336)	(23,126)
Amortization and Vesting of LP Units/Interests	5,122	(21,372)
Distributions to Noncontrolling Interests	(13,193)	(8,601)
Issuance of Noncontrolling Interest	60	8,229
Purchase of Noncontrolling Interest	(298)	(261)
Other, net	0	(74)
Total Other Items	(13,431)	(707)
Ending balance	$ 224,473	$ 224,748

Amortization and vesting of partnership units

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LP Units Purchased or Converted into Class Common Stock Value

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Represents a net increase (decrease) in noncontrolling interest from issuance of additional equity interests to noncontrolling interest holders or the sale of a portion of the parent's controlling interest or 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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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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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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