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Related Parties - Schedule of Related Party Transactions (Details) - Affiliated Entity - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Sep. 30, 2019
Purchaser of Subsidiary |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | $ 0 | $ 0 | $ 0 | $ 0 |
Accounts Receivable (Payable) | 725 |  | 725 |  | $ 756
Disposed Entity |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | 0 | 0 | 0 | 0 |
Accounts Receivable (Payable) | 462 |  | 462 |  | 846
Land Development Project |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | 0 | 0 | 0 | 0 |
Accounts Receivable (Payable) | 774 |  | 774 |  | 774
Subcontracting Services |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | (448) | (3,073) | (2,025) | (6,366) |
Accounts Receivable (Payable) | (547) |  | (547) |  | (1,238)
Construction Services |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | 254 | 1,061 | 1,534 | 1,174 |
Accounts Receivable (Payable) | 1,643 |  | 1,643 |  | 2,434
Island Pond |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | (80) | (80) | (160) | (160) |
Accounts Receivable (Payable) | 0 |  | 0 |  | 0
Vehicle Rentals |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | (262) | (342) | (514) | (631) |
Accounts Receivable (Payable) | 0 |  | 0 |  | 0
Consulting Services |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | (72) | (67) | (143) | (134) |
Accounts Receivable (Payable) | 0 |  | 0 |  | 0
H&K, Ltd. |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | 0 | (21) | 0 | (42) |
Accounts Receivable (Payable) | 0 |  | 0 |  | 0
SunTx |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue Earned (Expense Incurred) | (357) | $ (387) | (671) | $ (641) |
Accounts Receivable (Payable) | $ 0 |  | $ 0 |  | $ 0

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- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 + Details
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- Definition Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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