Commitments and Contingencies - Insurance Receivable Balance Sheet Rollforward (Details) $ in Thousands	9 Months Ended
Jun. 30, 2021 USD ($)
Insurance Recoveries Within Consolidated Condensed Financial Statements [Roll Forward]
Cash proceeds	$ (4,646)
Business interruption	546
Insurance recoveries
Insurance Recoveries Within Consolidated Condensed Financial Statements [Roll Forward]
Other receivable, beginning balance	1,547
Cash proceeds	(4,646)
Other expenses	58
Business interruption	546
Other receivable, ending balance	0
Insurance recoveries \| Equipment
Insurance Recoveries Within Consolidated Condensed Financial Statements [Roll Forward]
Capital expenditures (equipment)	$ 2,495

Business Interruption Losses, Offset By Proceeds

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- Definition

Insurance Recoveries, Used For Property Damage Incurred

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Insurance Recoveries Within Consolidated Condensed Financial Statements

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- Definition

Payment For Business Interruption Insurance

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- Definition

Amount of receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable.

+ References

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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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