Amount awarded from other party in judgment or settlement of litigation.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow from the collection of receivables related to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-17

+ Details

Name:	us-gaap_LossContingencyReceivableProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Represents the number of legal actions remaining pending in avoidance actions filed by the Trust.

+ References

No definition available.

+ Details

Name:	wlt_AvoidanceActionsNumberOfLegalActionsRemainingPending
Namespace Prefix:	wlt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of individual attorneys against which cases have been settled during the period.

+ References

No definition available.

+ Details

Name:	wlt_LitigationSettlementCasesSettledNumberOfIndividualAttorneys
Namespace Prefix:	wlt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of law firms against which cases have been settled during the period.

+ References

No definition available.

+ Details

Name:	wlt_LitigationSettlementCasesSettledNumberOfLawFirms
Namespace Prefix:	wlt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of individual attorneys against which the Trust is pursuing Causes of Action during the period.

+ References

No definition available.

+ Details

Name:	wlt_LitigationSettlementCausesOfActionNumberOfIndividualAttorneys
Namespace Prefix:	wlt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of law firms against which the Trust is pursuing Causes of Action during the period.

+ References

No definition available.

+ Details

Name:	wlt_LitigationSettlementCausesOfActionNumberOfLawFirms
Namespace Prefix:	wlt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of individual attorneys against which the litigation is in various stages.

+ References

No definition available.

+ Details

Name:	wlt_LitigationSettlementLitigationInVariousStagesNumberOfIndividualAttorneys
Namespace Prefix:	wlt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of law firms against which the litigation is in various stages.

+ References

No definition available.

+ Details

Name:	wlt_LitigationSettlementLitigationInVariousStagesNumberOfLawFirms
Namespace Prefix:	wlt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Net portion of the settlement amount received in the legal matter.

+ References

No definition available.

+ Details

Name:	wlt_LossContingencyNetPortionOfSettlement
Namespace Prefix:	wlt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of liabilities recorded against the amounts from the settlement of Causes of Action payable to the Liquidation Trustee.

+ References

No definition available.

+ Details

Name:	wlt_PercentageOfLiabilitiesPayableToRelatedParty
Namespace Prefix:	wlt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=wlt_LiquidationTrusteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Causes of Action (Details) $ in Thousands	3 Months Ended		6 Months Ended
Causes of Action (Details) $ in Thousands	Dec. 31, 2023 USD ($) Action Firm Attorney	Dec. 31, 2022 USD ($)	Dec. 31, 2023 USD ($) Action Attorney Firm	Dec. 31, 2022 USD ($)
Causes of Action [Abstract]
Number of law firms against which Trust is pursuing Causes of Action \| Firm			9
Number of individual attorneys against which Trust is pursuing Causes of Action \| Attorney			10
Litigation settlement sought value \| $	$ 5,000
Proceeds from settlement, net of attorney's fees and other litigation expenses \| $	$ 3,328
Number of law firms against which cases have been settled \| Firm			7
Number of individual attorneys against which cases have been settled \| Attorney			8
Number of law firms against which litigation is in various stages \| Firm	2		2
Number of individual attorneys against which litigation is in various stages \| Attorney	2		2
Number of legal actions remaining pending \| Action	34		34
Settlement recoveries from settlement of causes of action \| $	$ 82	$ 41	$ 34,510	$ 231
Liquidation Trustee [Member]
Causes of Action [Abstract]
Percentage of liabilities payable to related party	5.00%		5.00%