Commitments, Contingencies, and Other (Schedule of Early Termination Fee Upon Occurrence Pursuant) (Details)	Sep. 30, 2021 USD ($)
Prior to August 1, 2022 [Member]
Other Commitments [Line Items]
Early Termination Fee	$ 8,000,000
Prior to August 1, 2023 [Member]
Other Commitments [Line Items]
Early Termination Fee	7,250,000
Prior to August 1, 2024 [Member]
Other Commitments [Line Items]
Early Termination Fee	4,500,000
Prior to August 1, 2025 [Member]
Other Commitments [Line Items]
Early Termination Fee	$ 3,250,000

The amount of early contract termination fees included in liabilities subject to compromise.

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
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=124437977&loc=d3e55717-112764

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124433192&loc=d3e56015-112765

Name:	us-gaap_LiabilitiesSubjectToCompromiseEarlyContractTerminationFees
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant