XML 36 R52.htm IDEA: XBRL DOCUMENT
v2.4.0.6

ETF Shareholder Proxy Solicitation (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012
Etf Shareholder Proxy Solicitation (Textual) [Abstract] |
Percentage of common stock own by beneficial owner | 25.50%
Reduced percentage of common stock owned by beneficial owner due to sell or transfer | 25.00%
Threshold percentage of ownership presumes change in control | 25.00%
ETF shareholders proxy | $ 3,264

X
- Definition ETF shareholder proxy. + References No definition available. + Details
Name: | wetf_EtfShareholderProxy
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | wetf_EtfShareholderProxySolicitationTextualAbstract
Namespace Prefix: | wetf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of common stock own by beneficial owner. + References No definition available. + Details
Name: | wetf_PercentageOfCommonStockOwnByBeneficialOwner
Namespace Prefix: | wetf_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reduced percentage of common stock own by beneficial owner due to sell or transfer. + References No definition available. + Details
Name: | wetf_ReducedPercentageOfCommonStockOwnByBeneficialOwnerDueToSellOrTransfer
Namespace Prefix: | wetf_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold percentage of ownership presumes change in control. + References No definition available. + Details
Name: | wetf_ThresholdPercentageOfOwnershipPresumesChangeInControl
Namespace Prefix: | wetf_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration