Quarterly report pursuant to Section 13 or 15(d)

Contracts Receivable Including Retainage, net (Details)

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Contracts Receivable Including Retainage, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Sep. 30, 2019
Contractors [Abstract]    
Contracts receivable $ 104,686 $ 121,050
Retainage 19,387 19,835
Contracts receivable including retainage, gross 124,073 140,885
Allowance for doubtful accounts (1,176) (1,003)
Contracts receivable including retainage, net $ 122,897 $ 139,882