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v3.23.3

Fair Value Measurements (Details) | 9 Months Ended
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Sep. 30, 2023
Fair Value Measurements [Abstract] |
Liquid investments, original maturities | 90 days

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

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- Definition Cash equivalents maturity period. + References No definition available. + Details
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Namespace Prefix: | wt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration