Changes In Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			$ 62,243
Operating income	4,292	2,172	12,286	4,627
Total comprehensive income	4,585	3,266	12,024	5,660
Ending balance	59,068		59,068
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			62,243	58,162
Operating income			12,286	4,627
Other comprehensive income (loss)			(262)	1,033
Total comprehensive income			12,024	5,660
Evercore LP Units Purchased or Converted into Class A Common Stock			(14,562)	(7,264)
Amortization and Vesting of LP Units			15,545	16,019
Distributions to Noncontrolling Interests			(16,767)	(11,984)
Fair value of Noncontrolling Interest in Pan			1,517	0
Issuance of Noncontrolling Interest			3,597	296
Purchase of Noncontrolling Interest			(4,529)	0
Other			0	(630)
Total other items			(15,199)	(3,563)
Ending balance	$ 59,068	$ 60,259	$ 59,068	$ 60,259