Bankruptcy Accounting - Schedule of Reorganization Items (Details) - USD ($)	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Reorganization items, net:
Professional and legal fees	$ 34,579,000	$ 3,619,000
Gains on lease termination, net of estimated claims	(66,247,000)
Claims related costs	1,302,000
Rights Offering and Backstop Agreement	19,990,000
Gain on sale-leaseback	(49,639,000)
Total reorganization items, net	$ (60,015,000)	$ 3,619,000	$ 0

Debtor reorganization items gain (loss) on sale-leaseback.

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- Definition

Debtor reorganization items, rights offering and backstop agreement.

+ References

No definition available.

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- Definition

Amount of reorganization items related to discharge of claims and liabilities upon emergence from bankruptcy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 852
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764

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- Definition

Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 852
-SubTopic 10
-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766

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- Definition

Amount of gain (loss) on rejection of leases and other executory contracts, reported as a reorganization item.

+ References

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- Definition

Total amount of reorganization items.

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