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Impairments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023
Impairments [Line Items] |  |
Impairement on other investment | $ 2,391 | $ 7,291
Impairment [Member] |  |
Impairments [Line Items] |  |
Impairement on other investment | $ 312 | $ 312

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- Definition For the asset that is reclassified back to held and used from held-for-sale, the amount of impairment charge that is recognized on the reclassification date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-7 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 44 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482190/360-10-35-44 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | wt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=wt_ImpairmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |