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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) $ in Thousands | Dec. 31, 2021 USD ($)
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Accounting Standards Update 2020-06 [Member] |
Deferred tax liability | $ 1,022

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- Definition Deferred tax liability allocated to equity component related to convertible notes. + References No definition available. + Details
Name: | wetf_DeferredTaxLiability
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate202006Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |