Contracts Receivable Including Retainage, net (Tables)

12 Months Ended

Sep. 30, 2023

Contractors [Abstract]

Schedule of contracts receivable including retainage, net

Contracts receivable including retainage, net consisted of the following at September 30, 2023, 2022, and 2021 (in thousands):

	September 30,
	2023		2022		2021
Contracts receivable	$	251,324	$	221,566	$	132,456
Retainage	53,286		44,253		27,640
	304,610		265,819		160,096
Allowance for doubtful accounts	(906)		(612)		(1,926)
Contracts receivable including retainage, net	$	303,704	$	265,207	$	158,170

The following is a summary of changes in the allowance for doubtful accounts balance during the fiscal years ended September 30, 2023, 2022, and 2021 (in thousands):

	For the Fiscal Year Ended  September 30,
	2023		2022		2021
Balance at beginning of period	$	612	$	1,926	$	1,440
Charged (credited) to bad debt expense	456		(947)		784
Write-off of contracts receivable including retainage	(162)		(367)		(298)
Balance at end of period	$	906	$	612	$	1,926