Noncontrolling Interest Changes In Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended						3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Noncontrolling Interest [Member]	Sep. 30, 2013 Noncontrolling Interest [Member]	Sep. 30, 2014 Pan [Member] Noncontrolling Interest [Member]	Sep. 30, 2013 Pan [Member] Noncontrolling Interest [Member]	Jun. 30, 2014 EWM [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			$ 60,577		$ 60,577	$ 62,243
Net Income Attributable to Noncontrolling Interest	(875)	(4,292)	(9,120)	(12,286)	9,120	12,286
Other comprehensive income (loss)					(691)	(262)
Total comprehensive income	486	(4,585)	(8,429)	(12,024)	8,429	12,024
Evercore LP Units Converted into Class A Shares					(7,748)	(14,562)
Amortization and Vesting of LP Units					205	15,545
Distributions to Noncontrolling Interests					(8,553)	(16,767)
Fair value of Noncontrolling Interest in Pan							0	1,517	27,477
Net Reclassification to/from Redeemable Noncontrolling Interest			31,268	0	31,268	0
Issuance of Noncontrolling Interest					5,949	3,597
Purchase of Noncontrolling Interest					(830)	(4,529)
Other					918	0
Total other items					21,209	(15,199)
Ending balance	$ 90,215		$ 90,215		$ 90,215	$ 59,068