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Deferred Consideration - Gold Payments - Summary of valuation of deferred consideration (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($)
Disclosure Of Valuation Of Deferred Consideration [Line Item] |
Discount rate | 11.00%
Perpetual growth rate | 1.30%
Minimum [Member] |
Disclosure Of Valuation Of Deferred Consideration [Line Item] |
Forward-looking gold price | $ 1,858
Maximum [Member] |
Disclosure Of Valuation Of Deferred Consideration [Line Item] |
Forward-looking gold price | 3,126
Weighted Average [Member] |
Disclosure Of Valuation Of Deferred Consideration [Line Item] |
Forward-looking gold price | $ 2,237

X
- Definition Discount rate used to value the deferred consideration. + References No definition available. + Details
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Namespace Prefix: | wt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rate at which represents the deferred consideration perpetual growth. + References No definition available. + Details
Name: | wt_DeferredConsiderationPerpetualGrowthRate
Namespace Prefix: | wt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Disclosure Of Valuation Of Deferred Consideration. + References No definition available. + Details
Name: | wt_DisclosureOfValuationOfDeferredConsiderationLineItems
Namespace Prefix: | wt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Forward-looking gold price. + References No definition available. + Details
Name: | wt_ForwardLookingGoldPrice
Namespace Prefix: | wt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |