Noncontrolling Interest - Changes In Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			$ 256,033
Comprehensive income (loss):
Net Income Attributable to Noncontrolling Interest	$ 7,693	$ 9,506	21,569	$ 11,866
Total comprehensive income	7,953	8,039	21,873	10,018
Ending balance	240,353		240,353
Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance			256,033	202,664
Comprehensive income (loss):
Net Income Attributable to Noncontrolling Interest			21,569	11,866
Other comprehensive income (loss)			304	(1,848)
Total comprehensive income			21,873	10,018
Evercore LP Units Purchased or Converted into Class A Shares			(26,360)	(6,192)
Amortization and Vesting of LP Units/Interests			(3,119)	52,498
Distributions to Noncontrolling Interests			(15,944)	(17,193)
Issuance of Noncontrolling Interest			8,279	885
Purchase of Noncontrolling Interest			(261)	(5,225)
Other, net			(148)	(281)
Total other items			(8,074)	(21,814)
Ending balance	$ 240,353	$ 237,174	$ 240,353	$ 237,174