Causes of Action (Details) $ in Thousands	12 Months Ended
Jun. 30, 2024 USD ($) Action Attorney Firm	Jun. 30, 2023 USD ($)
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
Number of law firms against which cases have been settled \| Firm	8
Number of individual attorneys against which cases have been settled \| Attorney	9
Number of legal actions remaining pending \| Action	30
Settlement recoveries from settlement of causes of action \| $	$ 37,908	$ 296
Liquidation Trustee [Member]
Causes of Action [Abstract]
Percentage of liabilities payable to related party	5.00%

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

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

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

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+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

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- 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

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Namespace Prefix:	wlt_
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Balance Type:	na
Period Type:	instant

- Details

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