Long-Term Debt, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Financing lease obligations	$ 0
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Financing lease obligations
Maturity date	Jul. 25, 2026
Line of credit facility reduced minimum borrowing capacity	$ 50,000
Performance bonds under credit facility	9,800
Remaining borrowing capacity	72,200
Performance bonds	$ 7,400
Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	3.00%
Minimum [Member]
Debt Instrument [Line Items]
Current borrowing capacity	$ 135,000
Basis spread on variable rate	2.00%
2021 Senior Notes Series A [Member]
Debt Instrument [Line Items]
Face amount	$ 45,000
Line of Credit [Member]
Debt Instrument [Line Items]
Interest coverage ratio, minimum	3.00%
Calculated covenant leverage ratio	1.76%
Calculated interest coverage ratio		6.27%
Line of Credit [Member] | Maximum [Member]
Debt Instrument [Line Items]
Maximum leverage ratio permitted	2.5
Line of Credit [Member] | Minimum [Member]
Debt Instrument [Line Items]
Maximum leverage ratio permitted	1