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Segment Information (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) segment state region | Dec. 31, 2017 USD ($) | Sep. 30, 2018 USD ($)
Segment Reporting [Abstract] |  |  |
Number of states in which home building segments operate | state | 13 |  |
Number of regions in which entity operates | region | 3 |  |
Number of homebuilding segments | segment | 3 |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 402,040 | $ 372,489 |
Operating income | 3,506 | 6,681 |
Depreciation and amortization | 2,770 | 2,507 |
Capital Expenditures | 6,354 | 3,702 |
Assets | 2,103,390 |  | $ 2,128,102
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income | 31,036 | 35,416 |
Depreciation and amortization | 2,426 | 2,274 |
Corporate and unallocated |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income | (27,530) | (28,735) |
Depreciation and amortization | 344 | 233 |
Capital Expenditures | 2,082 | 588 |
Assets | 551,401 |  | 542,713
West Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 208,944 | 177,971 |
West Segment | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income | 24,261 | 21,110 |
Depreciation and amortization | 1,278 | 1,256 |
Capital Expenditures | 2,651 | 1,776 |
Assets | 855,823 |  | 835,230
East Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 88,746 | 88,853 |
East Segment | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income | 5,395 | 7,396 |
Depreciation and amortization | 538 | 439 |
Capital Expenditures | 762 | 595 |
Assets | 305,232 |  | 335,474
Southeast Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 104,350 | 105,665 |
Southeast Segment | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income | 1,380 | 6,910 |
Depreciation and amortization | 610 | 579 |
Capital Expenditures | 859 | $ 743 |
Assets | $ 390,934 |  | $ 414,685

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