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Debt - Casthouse and Surety (Details) - USD ($)		1 Months Ended
	Nov. 02, 2021	Nov. 30, 2021	Sep. 30, 2022
Casthouse Facility [Member]
Debt Instrument [Line Items]
Debt instrument, term		8 years
Credit facility face amount	$ 130,000,000
Debt instrument, quarterly installment fee	1.739%
Debt instrument, remaining payment after drawdown of funds	60.00%
Medium-term notes, outstanding borrowings			$ 40,000,000
Surety Bond [Member]
Debt Instrument [Line Items]
Loss contingency accrual			$ 6,600,000

X

- Definition

Debt Instrument, Periodic Payment, Percentage To Be Paid Before Termination Date

+ References

No definition available.

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- Definition

Debt Instrument, Periodic Payment, Quarterly Installment Percent of Principal

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
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X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349

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- Definition

Carrying value at the balance sheet date of the current portion of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Topic 944
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-Section S99
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