XML 23 R7.htm IDEA: XBRL DOCUMENT
v3.21.2

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jan. 01, 2021 | Sep. 30, 2020 | Sep. 30, 2020
Accounting Standards Update 2020 06 |  |  |
Deferred taxes | $ 1,022 |  |
Convertible Notes [Member] |  |  |
Issuance Costs |  | $ 29 | $ 157
Deferred taxes |  | $ 222 | $ 1,239

X
- 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: | duration

X
- Definition Net issuance costs allocated to equity component related to convertible notes. + References No definition available. + Details
Name: | wetf_NetOfIssuanceCosts
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleNotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |