XML 25 R9.htm IDEA: XBRL DOCUMENT
v3.21.2

Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands |  | 9 Months Ended
--- | --- | ---
Jan. 01, 2021 | Sep. 30, 2021
Payment of lease termination fee |  | $ 12,725
Implementation of ASU 2020-06 [Member] |  |
Decrease in Accumulated Deficit | $ 616 |
Increase in the carrying value of the convertible notes | 4,088 |
Decrease in additional paid in capital | 3,682 |
Decrease in deferred tax liability | $ 1,022 |

X
- Definition Increase decrease in additional paid in capital. + References No definition available. + Details
Name: | wetf_IncreaseDecreaseInAdditionalPaidInCapital
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase decrease in convertible notes. + References No definition available. + Details
Name: | wetf_IncreaseDecreaseInConvertibleNotes
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase decrease in deferred tax liability. + References No definition available. + Details
Name: | wetf_IncreaseDecreaseInDeferredTaxLiability
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase decrease in retained earnings. + References No definition available. + Details
Name: | wetf_IncreaseDecreaseInRetainedEarnings
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payment of Lease Termination Fee. + References No definition available. + Details
Name: | wetf_PaymentOfLeaseTerminationFee
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=wetf_ImplementationOfAsu202006Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |