Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings (Deficit) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Class A [Member]	Class A [Member] Common Stock [Member]
Beginning Balance, Value at Dec. 31, 2013	$ 563,158	$ 799,233	$ (10,784)	$ (59,896)	$ (226,380)	$ 60,577		$ 408
Beginning Balance, Shares at Dec. 31, 2013					(7,702,900)			(40,772,434)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	43,078			34,833		8,245
Other Comprehensive Income (Loss)	3,634		2,964			670
Treasury Stock Purchases	(92,983)				$ (92,983)
Treasury Stock Purchases, Shares					(1,718,110)
Evercore LP Units Purchased or Converted into Class A Common Stock	3,840	10,468				(6,637)		$ 9
Evercore LP Units Converted into Class A Common Stock, Shares								950,672
Equity-based Compensation Awards	75,753	75,722			$ 0	0		$ 31
Equity-based Compensation Awards, Shares								3,090,790
Stock Issued During Period, Value, Acquisitions	7,232	2,987			$ 4,245
Stock Issued During Period, Shares, Acquisitions					131,243
Dividends and Equivalents	(17,878)	3,096		(20,974)
Noncontrolling Interest	25,239	(286)			$ 3,856	21,669
Stock Issued During Period, Shares, Other					119,207
Ending Balance, Value at Jun. 30, 2014	611,073	891,220	(7,820)	(46,037)	$ (311,262)	84,524		$ 448
Ending Balance, Shares at Jun. 30, 2014					(9,170,560.00)			(44,813,896.000)
Beginning Balance, Value at Dec. 31, 2014	712,233	950,147	(20,387)	(17,814)	$ (361,129)	160,952		$ 464
Beginning Balance, Shares at Dec. 31, 2014					(10,159,116)		(36,255,124)	(46,414,240)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	22,279			15,064		7,215
Other Comprehensive Income (Loss)	(2,895)		(2,214)			(681)
Treasury Stock Purchases	(123,639)				$ (123,639)
Treasury Stock Purchases, Shares					(2,449,884)
Evercore LP Units Purchased or Converted into Class A Common Stock	(444)	3,347				(3,793)		$ 2
Evercore LP Units Converted into Class A Common Stock, Shares								209,080
Equity-based Compensation Awards	108,621	65,199				43,400		$ 22
Equity-based Compensation Awards, Shares								2,146,611
Dividends and Equivalents	(22,703)	3,295		(25,998)
Noncontrolling Interest	(9,374)	610				(9,984)
Ending Balance, Value at Jun. 30, 2015	$ 684,078	$ 1,022,598	$ (22,601)	$ (28,748)	$ (484,768)	$ 197,109		$ 488
Ending Balance, Shares at Jun. 30, 2015					(12,609,000)		(36,160,931)	(48,769,931.000)