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v3.23.2

Contingencies - Additional Information (Detail) € in Thousands, $ in Thousands | 1 Months Ended
--- | ---
Jul. 31, 2023 EUR (€) | Jul. 31, 2023 USD ($) | Jun. 30, 2023 EUR (€) | Jun. 30, 2023 USD ($)
Loss contingency covered by insurance deductible |  |  |  | $ 500
Loss contingency, damages sought, value |  |  | € 15,200 | $ 16,560
Subsequent Event [Member] |  |  |  |
Loss contingency, damages sought, value | € 8,400 | $ 9,150 |  |

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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-4 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-9 + Details
Name: | us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Loss contingency covered by insurance deductible. + References No definition available. + Details
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Namespace Prefix: | wt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |