XML 104 R85.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Deferred Consideration - Schedule of Deferred Consideration (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Contractual gold payments |  |  |  |  |  |  |  |  | $ 17,096 | $ 16,811 | $ 13,226
Contractual gold payments – gold ounces paid |  |  |  |  |  |  |  |  | 9,500 | 9,500 | 9,500
Gain/(loss) on revaluation of deferred consideration - gold payments | $ (3,048) | $ 1,737 | $ 497 | $ 2,832 | $ (22,385) | $ (8,870) | $ (23,358) | $ (2,208) | $ 2,018 | $ (56,821) | $ (11,293)

X
- Definition Contractual gold payments. + References No definition available. + Details
Name: | wetf_ContractualGoldPayments
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents Contractual Gold Payments Gold Ounces Paid. + References No definition available. + Details
Name: | wetf_ContractualGoldPaymentsGoldOuncesPaid
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Gain/loss from revaluation of deferred consideration. + References No definition available. + Details
Name: | wetf_GainLossFromChangeInDeferredConsideration
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration