XML 85 R64.htm IDEA: XBRL DOCUMENT v3.23.1

Investments - Summary of Inputs Used in PWERM Approach of Investment (Detail) - Fair Value, Inputs, Level 3 [Member] - yr	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Securrency Inc [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Conversion of Series A Shares upon a future equity financing	33.30%
Redemption of Series A Shares upon a corporate transaction	33.30%
Default	33.40%
Securrency Convertible Note [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Default	33.40%	15.00%
Conversion of note upon a future equity financing	33.30%	60.00%
Redemption of note upon a corporate transaction	33.30%	25.00%
Time to potential outcome (in years)	0.56	0.33
Fnality Convertible Note [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Conversion of note upon a future financing round	85.00%	85.00%
Redemption of note upon a change of control	10.00%	10.00%
Default	5.00%	5.00%
Time to potential outcome (in years)	0.08	0.25

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption conversion of note upon a corporate transaction.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionConversionOfNoteUponACorporateTransaction
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption conversion of note upon a qualified financing round.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionConversionOfNoteUponAQualifiedFinancingRound
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption conversion of note upon an equity financing.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionConversionOfNoteUponAnEquityFinancing
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption conversion of shares upon n equity financing.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionConversionOfSharesUponAnEquityFinancing
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption of default rate.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionOfDefaultRate
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption of dissolution rate.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionOfDissolutionRate
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption of redemption of note upon change of control rate.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionOfRedemptionOfNoteUponChangeOfControlRate
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value assumption redemption of shares upon a corporate transaction.

+ References

No definition available.

+ Details

Name:	wt_FairValueAssumptionRedemptionOfSharesUponACorporateTransaction
Namespace Prefix:	wt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair Value Assumption, Expected Term.

+ References

No definition available.

+ Details

Name:	wt_Fairvalueassumptionexpectedterm
Namespace Prefix:	wt_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wt_SecurrencyIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wt_SecurrencyConvertibleNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wt_FnalityConvertibleNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: