Commitment To Purchase Noncontrolling Interest (as a percent)

No definition available.

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- Definition

Commitment To Purchase Noncontrolling Interest (in shares)

+ References

No definition available.

+ Details

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Namespace Prefix:	evr_
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Balance Type:	na
Period Type:	instant

- Definition

Decrease in treasury stock.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fair value of noncontrolling interest.

+ References

No definition available.

+ Details

Name:	evr_FairValueOfNoncontrollingInterest
Namespace Prefix:	evr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Grant Of LP Units

+ References

No definition available.

+ Details

Name:	evr_GrantOfLPUnits
Namespace Prefix:	evr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Limited Partnership Units Convertible Conversion Ratio

+ References

No definition available.

+ Details

Name:	evr_LimitedPartnershipUnitsConvertibleConversionRatio
Namespace Prefix:	evr_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash value of redemption of LP Units Issues

+ References

No definition available.

+ Details

Name:	evr_RedeemableCashValueOfLpUnitsIssued
Namespace Prefix:	evr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Redemption Period

+ References

No definition available.

+ Details

Name:	evr_RedemptionPeriod
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

Name:	us-gaap_LimitedPartnersCapitalAccountUnitsIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_MinorityInterestLineItems
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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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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 2: 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 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

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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.

+ Details

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Balance Type:	credit
Period Type:	instant

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Noncontrolling Interest - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended					1 Months Ended	3 Months Ended	9 Months Ended						3 Months Ended					9 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Evercore LP [Member]	Sep. 30, 2014 ECB [Member]	Apr. 30, 2014 EWM [Member]	Jun. 30, 2014 EWM [Member]	Sep. 30, 2014 EWM [Member]	May 22, 2014 EWM [Member]	Mar. 31, 2014 EWM [Member]	Dec. 31, 2013 EWM [Member]	Sep. 30, 2014 Atalanta Sosnoff [Member]	Dec. 31, 2013 Atalanta Sosnoff [Member]	Sep. 30, 2014 Institutional Equities [Member]	Aug. 03, 2014 Institutional Equities [Member]	Sep. 30, 2014 PCA [Member]	Jun. 30, 2013 Evercore Trust Company [Member]	Dec. 03, 2013 Pan [Member]	Sep. 30, 2014 Trilantic [Member]	Dec. 31, 2010 Trilantic [Member]	Feb. 28, 2010 Trilantic [Member]	Sep. 30, 2014 LP Units [Member] Trilantic [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)						11.00%	28.00%			38.00%				34.00%		38.00%		27.00%	14.00%	32.00%
Net Income (Loss) Attributable to Noncontrolling Interest from Discontinued Operations		$ (771)		$ (1,178)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	(348)	(56)	(155)	(95)
Other Comprehensive (Income) Loss, Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	(1,013)	349	(536)	(167)
Issued LP Units (in shares)																						500,000	500,000
LP units convertible conversion ratio																								1
Redemption value of issued LP units																					16,500
Redemption period (in years)																					5 years
Redemption value accretion		21		63
Redeemable Noncontrolling Interest	15,369		15,369		36,805							34,577	32,523	4,283	4,283							16,090
Commitment to purchase noncontrolling interest (in shares)								3,000
Commitment to purchase noncontrolling interest (as a percent)								22.00%									40.00%
Equity interest issued or issuable (in shares)								119,000		119,000
Grant Of LP Units (in units)	72,000							11,000
Purchase of interest by parent								7,100
Ownership Parent (as a percent)											62.00%
Temporary Equity, Other Changes									34,577							11,086
Decrease In Treasury Stock			8,101						3,856
Fair Value Of Noncontrolling Interest									27,477
Increase to Additional Paid-In-Capital			$ 12,067						$ 3,244