Contracts Receivable Including Retainage, net (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Sep. 30, 2020 |
|---|---|---|
| Contractors [Abstract] | ||
| Contracts receivable | $ 104,067 | $ 112,197 |
| Retainage | 22,864 | 21,013 |
| Contracts receivable including retainage, gross | 126,931 | 133,210 |
| Allowance for doubtful accounts | (1,785) | (1,440) |
| Contracts receivable including retainage, net | $ 125,146 | $ 131,770 |
| X | ||||||||||
- Definition Contract Receivable, Including Retainage, Gross No definition available.
|
| X | ||||||||||
- Definition Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of right to consideration in exchange for good or service transferred to customer withheld under retainage provision in long-term contract or program when right to consideration is unconditional. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount to be collected within one year of the balance sheet date (or one operating cycle, if longer) from customers in accordance with the contractual provisions of long-term contracts or programs including amounts billed and unbilled as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|