Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash Flows From Operating Activities
Net Income	$ 10,531	$ 17,805	$ 246
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Net Realized and Unrealized (Gains) Losses on Investments, Marketable Securities and Contingent Consideration	(4,988)	(4,898)	7,111
Equity-Based and Other Deferred Compensation	94,253	55,914	59,518
Depreciation, Amortization and Accretion	20,401	11,541	5,872
Bad Debt Expense	1,558	1,008	444
Deferred Taxes	11,026	2,899	5,851
Decrease (Increase) in Operating Assets:
Marketable Securities	461	(481)	(108)
Financial Instruments Owned and Pledged as Collateral at Fair Value	(91,056)	75,435	76,887
Securities Purchased Under Agreements to Resell	123,559	66,225	(83,235)
Accounts Receivable	2,749	(18,822)	844
Receivable from Employees and Related Parties	(4,275)	1,770	(2,008)
Assets Segregated for Bank Regulatory Requirements		(200)	(10,000)
Other Assets	(144)	(1,138)	(4,952)
(Decrease) Increase in Operating Liabilities:
Accrued Compensation and Benefits	32,128	(17,265)	31,616
Accounts Payable and Accrued Expenses	1,499	976	776
Securities Sold Under Agreements to Repurchase	(32,283)	(141,759)	6,001
Payables to Employees and Related Parties	(7,067)	(2,523)	(1,955)
Taxes Payable	(1,777)	380	(2,333)
Other Liabilities	(8,739)	(1,872)	(2,474)
Net Cash Provided by Operating Activities	147,836	44,995	88,101
Cash Flows From Investing Activities
Investments Purchased	(48,575)	(16,645)	(4,108)
Distributions of Private Equity Investments	1,211	2,629
Marketable Securities:
Proceeds from Sales and Maturities	80,678	188,701	51,677
Purchases	(71,599)	(138,683)	(83,460)
Cash Paid for Acquisitions, net of cash acquired	(30,397)	(70,481)	(9,382)
Change in Restricted Cash		(820)	4,853
Purchase of Furniture, Equipment and Leasehold Improvements	(8,662)	(8,567)	(2,260)
Net Cash Provided by (Used in) Investing Activities	(77,344)	(43,866)	(42,680)
Cash Flows From Financing Activities
Payments for Settlement of Debt and Capital Lease Obligations	(8,335)	(9)	(32)
Issuance of Noncontrolling Interests	1,009	4,381	17,395
Distributions to Noncontrolling Interests-Evercore LP Limited Partners	(19,087)	(19,513)	(19,741)
Cash Paid for Deferred and Contingent Consideration	(13,486)	(5,936)
Proceeds from Equity Offering, Net of Direct Expenses	168,140	77,185	70,761
Purchase of Evercore LP Units and Treasury Stock	(140,242)	(114,141)	(75,467)
Excess Tax Benefits Associated with Equity-Based Awards	6,266	2,923
Dividends-Class A Stockholders	(19,346)	(12,358)	(8,217)
Other		645	421
Net Cash Provided by (Used in) Financing Activities	(25,081)	(66,823)	(14,880)
Effect of Exchange Rate Changes on Cash	(3,843)	349	239
Net Increase (Decrease) in Cash and Cash Equivalents	41,568	(65,345)	30,780
Cash and Cash Equivalents-Beginning of Period	141,337	206,682	175,902
Cash and Cash Equivalents-End of Period	182,905	141,337	206,682
SUPPLEMENTAL CASH FLOW DISCLOSURE
Payments for Interest	17,914	21,473	23,080
Payments for Income Taxes	13,957	9,649	11,286
Furniture, Equipment and Leasehold Improvements Accrued	1,293	644	114
Decrease in Fair Value of Redeemable Noncontrolling Interest	$ 3,942