Payable to Employees and Related Parties (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Related Party Transaction [Line Items]
Amounts Due Pursuant to Tax Receivable Agreements	$ 165,350	$ 137,448

The aggregate carrying amount, as of the balance sheet date, of amounts due pursuant to the Tax Receivable Agreement.

No definition available.

Name:	evr_AmountsDuePursuantToTaxReceivableAgreements
Namespace Prefix:	evr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant