Noncontrolling Interest Changes In Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			$ 60,577
Net Income Attributable to Noncontrolling Interest	(5,421)	(5,585)	(8,245)	(7,994)
Total comprehensive income	(5,858)	(5,036)	(8,915)	(7,439)
Fair Value Of Noncontrolling Interest			27,477	0
Ending balance	84,524		84,524
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			60,577	62,243
Net Income Attributable to Noncontrolling Interest			8,245	7,994
Other comprehensive income (loss)			670	(555)
Total comprehensive income			8,915	7,439
Evercore LP Units Converted into Class A Shares			(6,637)	(13,187)
Amortization and Vesting of LP Units			0	10,725
Distributions to Noncontrolling Interests			(6,414)	(10,953)
Issuance of Noncontrolling Interest			268	3,080
Purchase of Noncontrolling Interest			0	(4,529)
Other			(338)	0
Total other items			15,032	(14,090)
Ending balance	84,524	55,592	84,524	55,592
Pan [Member] \| Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Fair Value Of Noncontrolling Interest			0	774
EWM [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Fair Value Of Noncontrolling Interest	27,477
EWM [Member] \| Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Fair Value Of Noncontrolling Interest			$ 27,477	$ 0

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Changes in noncontrolling, total other items.

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Fair value of noncontrolling interest.

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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 and other comprehensive income, 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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Amount of Net Income (Loss) attributable to noncontrolling interest.

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

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