Construction Partners, Inc. Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Schedule of Unvested Restricted Stock Units (Details)

v3.23.3

Equity-Based Compensation - Schedule of Unvested Restricted Stock Units (Details) - Restricted Stock - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Number of Shares [Roll Forward]
Unvested, beginning balance (in shares)	715,724	595,561	292,534
Granted (in shares)	210,412	256,167	510,733
Vested (in shares)	(76,963)	(134,481)	(207,706)
Forfeited (in shares)	(24,893)	(1,523)	0
Unvested, ending balance (in shares)	824,280	715,724	595,561
Class A Common Stock
Number of Shares [Roll Forward]
Unvested, ending balance (in shares)	163,529
2021 Grants \| Class A Common Stock
Number of Shares [Roll Forward]
Aggregate grant date fair value of awards			$ 13,546
Compensation expense recorded upon vesting of awards			3,549
Unrecognized compensation expense at fiscal year-end			$ 11,650
2022 Grants \| Class A Common Stock
Number of Shares [Roll Forward]
Aggregate grant date fair value of awards		$ 8,356
Compensation expense recorded upon vesting of awards		6,966
Unrecognized compensation expense at fiscal year-end		$ 15,152
2023 Grants \| Class A Common Stock
Number of Shares [Roll Forward]
Aggregate grant date fair value of awards	$ 5,514
Compensation expense recorded upon vesting of awards	8,717
Unrecognized compensation expense at fiscal year-end	$ 9,766

- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award Aggregate Grant Date Fair Value

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Topic 718
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-Name Accounting Standards Codification
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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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