Changes In Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Noncontrolling Interest [Line Items]
Beginning balance	$ 62,243
Operating income (loss)	2,409	(1,752)
Total comprehensive income (loss)	2,403	(142)
Ending balance	56,778
Noncontrolling Interest
Noncontrolling Interest [Line Items]
Beginning balance	62,243	58,162
Operating income (loss)	2,409	(1,752)
Other comprehensive income (loss)	(6)	1,610
Total comprehensive income (loss)	2,403	(142)
Evercore LP Units Converted into Class A Common Stock	(7,294)	(1,175)
Amortization and Vesting of LP Units	5,912	5,485
Distributions to Noncontrolling Interests	(7,260)	(2,842)
Fair value of Noncontrolling Interest in Pan	774
Issuance of Noncontrolling Interest		300
Other		69
Total other items	(7,868)	1,837
Ending balance	$ 56,778	$ 59,857