Construction Partners, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Significant Accounting Policies (Details)

v3.23.2

Significant Accounting Policies (Details) - USD ($)	3 Months Ended		9 Months Ended
Significant Accounting Policies (Details) - USD ($)	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2022
Concentration Risk [Line Items]
Restricted cash	$ 71,000		$ 71,000		$ 28,000
Restricted investments	13,353,000		13,353,000		6,866,000
Debt securities, available-for-sale, intent impairments			0	$ 0
Debt securities, available-for-sale, allowance for credit loss	$ 0	$ 0	$ 0	$ 0
Maximum
Concentration Risk [Line Items]
Restricted cash					$ 100,000
Revenues \| Customer Concentration Risk \| Various Departments Of Transportation
Concentration Risk [Line Items]
Concentration risk percentage	38.60%	43.70%	32.00%	37.20%
Revenues \| Customer Concentration Risk \| Alabama Department of Transportation
Concentration Risk [Line Items]
Concentration risk percentage		14.40%		10.90%
Revenues \| Customer Concentration Risk \| North Carolina Department of Transportation
Concentration Risk [Line Items]
Concentration risk percentage	11.20%	13.60%		10.30%
Revenues \| Customer Concentration Risk \| Florida Department of Transportation
Concentration Risk [Line Items]
Concentration risk percentage	11.20%		10.20%	10.40%
Private \| Revenues \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage	36.80%	36.60%	39.00%	38.80%
Public \| Revenues \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage	63.20%	63.40%	61.00%	61.20%

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