XML 52 R41.htm IDEA: XBRL DOCUMENT v3.4.0.3

Financial Instruments Owned and Pledged as Collateral at Fair Value, Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016
Banking and Thrift [Abstract]
Securities average estimated maturity period (in years)	9 months 20 days
Confidence Level Value At Risk	98.00%
Value At Risk Threshold	0.10%

X

- Definition

Confidence Level Value At Risk

+ References

No definition available.

+ Details

Name:	evr_ConfidenceLevelValueAtRisk
Namespace Prefix:	evr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Securities average estimated maturity period.

+ References

No definition available.

+ Details

Name:	evr_SecuritiesAverageEstimatedMaturityPeriod
Namespace Prefix:	evr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value At Risk Threshold

+ References

No definition available.

+ Details

Name:	evr_ValueAtRiskThreshold
Namespace Prefix:	evr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_BankingAndThriftAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration