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v3.21.1

Segment Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 USD ($) state segment region | Mar. 31, 2020 USD ($) | Mar. 31, 2021 USD ($) state region | Mar. 31, 2020 USD ($) | Sep. 30, 2020 USD ($)
Segment Reporting [Abstract] |  |  |  |  |
Number of states in which home building segments operate | state | 13 |  | 13 |  |
Number of regions in which entity operates | region | 3 |  | 3 |  |
Number of reportable segments | segment | 3 |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | $ 549,889 | $ 489,413 | $ 978,428 | $ 907,217 |
Operating income | 33,618 | 16,424 | 51,306 | 20,370 |
Depreciation and amortization | 3,683 | 3,627 | 6,805 | 7,054 |
Capital expenditures |  |  | 6,514 | 5,478 |
Assets | 2,055,571 |  | 2,055,571 |  | $ 2,007,480
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | 80,011 | 53,550 | 134,990 | 92,358 |
Depreciation and amortization | 3,187 | 3,102 | 5,790 | 6,004 |
Corporate and unallocated |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | (46,393) | (37,126) | (83,684) | (71,988) |
Depreciation and amortization | 496 | 525 | 1,015 | 1,050 |
Capital expenditures |  |  | 2,069 | 365 |
Assets | 788,894 |  | 788,894 |  | 779,694
West Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 278,720 | 267,731 | 515,600 | 522,129 |
West Segment | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | 42,488 | 33,223 | 75,791 | 63,554 |
Depreciation and amortization | 1,936 | 1,851 | 3,473 | 3,659 |
Capital expenditures |  |  | 3,066 | 2,667 |
Assets | 678,720 |  | 678,720 |  | 658,909
East Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 153,571 | 110,941 | 251,535 | 188,981 |
East Segment | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | 22,449 | 11,513 | 33,817 | 16,834 |
Depreciation and amortization | 575 | 551 | 1,046 | 1,105 |
Capital expenditures |  |  | 1,001 | 1,136 |
Assets | 288,933 |  | 288,933 |  | 267,050
Southeast Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 117,598 | 110,741 | 211,293 | 196,107 |
Southeast Segment | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | 15,074 | 8,814 | 25,382 | 11,970 |
Depreciation and amortization | 676 | $ 700 | 1,271 | 1,240 |
Capital expenditures |  |  | 378 | $ 1,310 |
Assets | $ 299,024 |  | $ 299,024 |  | $ 301,827

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