Credit Facilities and Debt - Additional Information (Details) - USD ($) |
3 Months Ended | |||
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Jul. 28, 2021 |
Mar. 31, 2022 |
Sep. 30, 2021 |
Apr. 17, 2020 |
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| Line Of Credit Facility [Line Items] | ||||
| Maturity date | Jun. 30, 2023 | |||
| Surety bonds | $ 110,800,000 | |||
| Surety bonds subject to dispute | 50,000,000.0 | |||
| Surety bonds relates to Active Retained Shipyard Contracts | 55,800,000 | |||
| Maximum | ||||
| Line Of Credit Facility [Line Items] | ||||
| Letter of credit facility | $ 20,000,000.0 | |||
| LC Facility | ||||
| Line Of Credit Facility [Line Items] | ||||
| Fees on undrawn borrowings (percentage) | 0.40% | |||
| Total outstanding letters of credit | $ 1,700,000 | |||
| Letter of Credit | ||||
| Line Of Credit Facility [Line Items] | ||||
| Stated interest rate (percentage) | 1.50% | |||
| PPP Loan | ||||
| Line Of Credit Facility [Line Items] | ||||
| Unsecured loan amount | $ 10,000,000.0 | |||
| Loan payments | $ 9,100,000 | |||
| Gain on extinguishment of debt | $ 9,100,000 | |||
| PPP Loan threshold requiring an audit by the SBA | $ 2,000,000.0 | |||
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- Definition Debt instrument payments of loan. No definition available.
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- Definition PPP loan threshold requiring audit by SBA. No definition available.
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- Definition Surety Bonds No definition available.
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- Definition Surety bonds relates to active retained shipyard contracts. No definition available.
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- Definition Surety bonds subject to dispute. No definition available.
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- Definition Decrease for amounts of indebtedness forgiven by the holder of the debt instrument. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. 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. No definition available.
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. No definition available.
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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