Decrease in treasury stock.

No definition available.

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- Definition

Fair value of noncontrolling interest.

+ References

No definition available.

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- Definition

Grant Of LP Units

+ References

No definition available.

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- Definition

Limited Partnership Units Convertible Conversion Ratio

+ References

No definition available.

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- Definition

Noncontrolling Interest Increase From Acquisition Issuance

+ References

No definition available.

+ Details

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- Definition

Purchase Of Noncontrolling Interest

+ References

No definition available.

+ Details

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- Definition

Purchase of Noncontrolling Interest (as a percent)

+ References

No definition available.

+ Details

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- Definition

Purchase Of Noncontrolling Interest (in shares)

+ References

No definition available.

+ Details

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- Definition

Cash value of redemption of LP Units Issues

+ References

No definition available.

+ Details

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- Definition

Redemption Period

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4M

-URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591554-111686

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- Definition

This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items, which is apportioned to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This item includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 19

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568447-111683

+ Details

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Period Type:	duration

- Definition

The number of limited partner units issued.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section F

+ Details

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Balance Type:	na
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- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568740-111683

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569643-111683

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 19

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684

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- Definition

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.

+ References

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- Definition

Value of accretion of temporary equity to its redemption value during the period.

+ References

No definition available.

+ Details

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- Definition

Carrying amount, attributable to noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

+ References

No definition available.

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- Definition

This element may be used to disclose other activity associated with temporary equity that is not separately disclosed.

+ References

No definition available.

+ Details

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Noncontrolling Interest - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended	3 Months Ended	0 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 22, 2014	Jun. 30, 2014	Oct. 31, 2014	Sep. 30, 2014	Jun. 30, 2013	Dec. 03, 2013	Dec. 31, 2010	Feb. 28, 2010
Noncontrolling Interest [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interest from Discontinued Operations		$ (1,185)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	(981)	(180)	117
Other Comprehensive (Income) Loss, Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	(1,627)	(48)	1,152
Redeemable Noncontrolling Interest	4,014	36,805
Adjustments to Additional Paid in Capital	16,254	20,222
Decrease In Treasury Stock	8,101evr_DecreaseInTreasuryStock	1,194evr_DecreaseInTreasuryStock
Purchase of Noncontrolling Interest	7,100evr_PurchaseOfNoncontrollingInterest	0evr_PurchaseOfNoncontrollingInterest	0evr_PurchaseOfNoncontrollingInterest
Redemption value accretion		68	84
Evercore LP [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	16.00%
ECB [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	28.00%
EWM [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	38.00%
Redeemable Noncontrolling Interest		32,523
Adjustments to Additional Paid in Capital	(4,116)	(3,123)			3,244
Purchase of noncontrolling interest (in shares)				3,000
Purchase of Noncontrolling Interest (as a percent)				22.00%
Equity interest issued or issuable (in shares)	119,000			119,000
Grant Of LP Units (in units)				11,000
Purchase of interest by parent				7,100
Ownership Parent (as a percent)				62.00%
Temporary Equity, Other Changes					34,577
Decrease In Treasury Stock					3,856
Fair Value Of Noncontrolling Interest					27,477
Atalanta Sosnoff [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	34.00%
Redeemable Noncontrolling Interest	4,014	4,283
Adjustments to Additional Paid in Capital	269	(286)
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
PCA [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	31.00%
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)										500,000	500,000
Redemption value of issued LP units	16,500
Redemption period (in years)	5 years
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
Other Acquisitions [Member]
Noncontrolling Interest [Line Items]
Grant Of LP Units (in units)							72,000
Noncontrolling Interest Increase From Acquisition Issuance	3,509
Evercore ISI [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest Increase From Acquisition Issuance	68,835
Subsidiary of Common Parent [Member]
Noncontrolling Interest [Line Items]
Adjustments to Additional Paid in Capital	1,124
Noncontrolling Interest, Period Increase (Decrease)	$ (1,124)