Evercore Partners Inc. (Parent Company Only) Financial Statements (Notes To Condensed Financial Statements) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended	12 Months Ended			12 Months Ended											12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Parent Company [Member]	Jan. 31, 2012 Class A [Member]	Dec. 31, 2011 Class A [Member]	Dec. 31, 2010 Class A [Member]	Aug. 19, 2011 Class A [Member]	Dec. 31, 2011 Class A [Member] Parent Company [Member]	Dec. 31, 2010 Class A [Member] Parent Company [Member]	Dec. 31, 2011 Class A [Member] Lexicon [Member]	Dec. 31, 2011 Class B [Member]	Dec. 31, 2010 Class B [Member]	Dec. 31, 2011 Class B [Member] Parent Company [Member]	Dec. 31, 2010 Class B [Member] Parent Company [Member]	Dec. 31, 2011 Offering [Member]	Jun. 30, 2011 Offering [Member]	Dec. 31, 2010 Offering [Member]	Dec. 31, 2011 Offering [Member] Parent Company [Member]	Dec. 31, 2011 Maximum [Member]	Dec. 31, 2010 Maximum [Member]	Dec. 31, 2011 Maximum [Member] Class A [Member] Parent Company [Member]	Dec. 31, 2011 Minimum [Member]	Dec. 31, 2010 Minimum [Member]	Dec. 31, 2011 Minimum [Member] Class A [Member] Parent Company [Member]	Dec. 31, 2011 Other Commitments [Member]
Condensed Financial Information Of Parent Company Only Disclosure [Line Items]
Common stock, shares authorized					1,000,000,000	1,000,000,000		1,000,000,000	1,000,000,000		1,000,000	1,000,000	1,000,000	1,000,000
Common stock, par value					$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01		$ 0.01	$ 0.01	$ 0.01	$ 0.01
Number of class A shares issued from treasury stock					31,014,265	21,497,691		31,014,265	21,497,691	28,000	47	48	47	48	5,365	5,365	2,954	5,365
Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award					1,587,000	436,000		1,587,000
Treasury stock acquired, market value per share																			$ 36.41	$ 36.97	36.41	$ 15.76	$ 23.31	15.76
Common stock cancelled													1
Exchange value of common stock													$ 1
Increase in Treasury Stock	45,105	35,053	45,105
Decrease in Treasury Stock	636	13,271	636
Declared and paid dividends per share	$ 0.74	$ 0.63	$ 0.74	$ 0.20
Declared and paid dividends	19,346	12,358	19,346
Contractual obligations related to the Tax Receivable Agreements	143,660
Payment to the counterparties to the Tax Receivable Agreement, within one year or less																									6,217
Payment to the counterparties to the Tax Receivable Agreement, one to three years																									21,650
Payment to the counterparties to the Tax Receivable Agreement, three to five years																									24,078
Payment to the counterparties to the Tax Receivable Agreement, after five years																									91,715
Contractual obligations related to senior notes	176,160
Payment to the senior notes to the tax receivable agreement, within one year or less	6,240
Payment to the senior notes to the tax receivable agreement, one to three years	12,480
Payment to the senior notes to the tax receivable agreement three to five years	12,480
Payment to the senior notes to the tax receivable agreement, after five years	$ 144,960																								$ 91,715