Changes In Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			$ 62,243
Operating income	5,585	4,207	7,994	2,455
Total comprehensive income	5,036	2,536	7,439	2,394
Ending balance	55,592		55,592
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			62,243	58,162
Operating income			7,994	2,455
Other comprehensive income (loss)			(555)	(61)
Total comprehensive income			7,439	2,394
Evercore LP Units Purchased or Converted into Class A Common Stock			(13,187)	(1,185)
Amortization and Vesting of LP Units			10,725	10,554
Distributions to Noncontrolling Interests			(10,953)	(7,868)
Fair value of Noncontrolling Interest in Pan			774	0
Issuance of Noncontrolling Interest			3,080	333
Purchase of Noncontrolling Interest			(4,529)	0
Other			0	(618)
Total other items			(14,090)	1,216
Ending balance	$ 55,592	$ 61,772	$ 55,592	$ 61,772