Short-Term Borrowings and Long-Term Debt - Schedule of Long-Term Debt (Parenthetical) (Detail) $ in Millions	3 Months Ended
Dec. 31, 2022 USD ($)
Mortgage Facility [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	2.20%
Mortgage Facility [Member] \| Mortgage Facility Payable to Flagship Bank [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	6.50%
Debt instrument basis percentage	1.00%
Principal and interest payments with a balloon payment	$ 4.0
Additional extension for two one-year periods	Aug. 31, 2027
Mortgage Facility [Member] \| Mortgage Facility Payable to Flagship Bank [Member] \| Interest Rate Prime [Member]
Debt Instrument [Line Items]
Debt instrument description of variable rate basis	(prime minus 100 basis points with a floor of 2.00
Mortgage Facility [Member] \| Mortgage Facility Payable to Flagship Bank [Member] \| Interest Rate Floor [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	2.00%
Mortgage Facility [Member] \| Mortgage Facility Payable to Seacoast National Bank [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	6.88%
Debt instrument basis percentage	0.625%
Principal and interest payments with a balloon payment	$ 6.0
Additional extension for two one-year periods	Sep. 30, 2031
Mortgage Facility [Member] \| Mortgage Facility Payable to Seacoast National Bank [Member] \| Interest Rate Prime [Member]
Debt Instrument [Line Items]
Debt instrument description of variable rate basis	(greater of 3.00% or prime minus 62.5 basis points
Mortgage Facility [Member] \| Mortgage facility payable to Hancock Whitney Bank [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	6.88%
Debt instrument basis percentage	0.625%
Principal and interest payments with a balloon payment	$ 15.5
Additional extension for two one-year periods	Nov. 30, 2027
Percentage of outstanding borrowings hedged	50.00%
Fixed interest rate	3.20%
Mortgage Facility [Member] \| Mortgage facility payable to Hancock Whitney Bank [Member] \| Interest Rate Prime [Member]
Debt Instrument [Line Items]
Debt instrument description of variable rate basis	(prime minus 62.5 basis points with a floor of 2.25
Mortgage Facility [Member] \| Mortgage facility payable to Hancock Whitney Bank [Member] \| Interest Rate Floor [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	2.25%
Mortgage Facility [Member] \| Revolving mortgage facility with FineMark National Bank & Trust [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	7.25%
Debt instrument basis percentage	0.25%
Additional extension for two one-year periods	Oct. 31, 2027
Current available borrowings	$ 24.0
Mortgage Facility [Member] \| Revolving mortgage facility with FineMark National Bank & Trust [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument description of variable rate basis	(base minus 25 basis points with a floor of 3.00
Mortgage Facility [Member] \| Revolving mortgage facility with FineMark National Bank & Trust [Member] \| Interest Rate Floor [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	3.00%
Term Loan [Member] \| Term Loan Payable to M&T Bank [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	5.37%
Additional extension for two one-year periods	Aug. 31, 2027
Term Loan [Member] \| Loan Payable to TRANSPORT S.a.s di Taula Vittorio & C [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	5.63%
Additional extension for two one-year periods	Dec. 31, 2030

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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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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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ 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))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Percentage of an entity's outstanding debt that is designated as a hedged item in cash flow, fair value, or net investment hedge.

+ References

No definition available.

+ Details

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