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Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Schedule of interests in lot option agreements | The following table provides a summary of our interests in lot option agreements as of September 30, 2021 and September 30, 2020:
in thousands | Deposits & Non-refundable Pre-acquisition Costs Incurred |  | Remaining Obligation, Net of Cash Deposits |  |
As of September 30, 2021 |  |  |  |  |
Unconsolidated lot option agreements | $ | 114,688 |  |  | $ | 676,149 |  |  |
As of September 30, 2020 |  |  |  |  |
Unconsolidated lot option agreements | $ | 75,921 |  |  | $ | 395,133 |  |  |
Schedule of estimated useful lives | Depreciation is computed on a straight-line basis based on estimated useful lives as follows:
Asset Class |  | Useful Lives
Buildings |  | 25 - 30 years
Information systems |  | Lesser of estimated useful life of the asset or 5 years
Furniture, fixtures and computer and office equipment |  | 3 - 7 years
Model and sales office improvements |  | Lesser of estimated useful life of the asset or estimated life of the community
Leasehold improvements |  | Lesser of the lease term or the estimated useful life of the asset
The following table presents our property and equipment as of September 30, 2021 and September 30, 2020:
in thousands | September 30, 2021 |  | September 30, 2020
Model furnishings and sales office improvements | $ | 19,617 |  |  | $ | 17,604 |
Information systems | 18,628 |  |  | 14,930 |
Furniture, fixtures and office equipment | 10,613 |  |  | 10,287 |
Leasehold improvements | 4,279 |  |  | 4,959 |
Buildings and improvements | 1,671 |  |  | 1,671 |
Property and equipment, gross | 54,808 |  |  | 49,451 |
Less: Accumulated depreciation | (31,923) |  |  | (27,171) |
Property and equipment, net | $ | 22,885 |  |  | $ | 22,280 |
Schedule of revenue recognition | The following table presents our total revenue disaggregated by revenue stream:
| Fiscal Year Ended |  |
| September 30, |  |
in thousands | 2021 |  | 2020 |  | 2019 |  |  |  |
Homebuilding revenue | $ | 2,127,700 |  |  | $ | 2,116,910 |  |  | $ | 2,077,245 |  |  |  |  |
Land sales and other revenue | 12,603 |  |  | 10,167 |  |  | 10,494 |  |  |  |  |
Total revenue (a) | $ | 2,140,303 |  |  | $ | 2,127,077 |  |  | $ | 2,087,739 |  |  |  |  |
(a) Please see Note 18 for total revenue disaggregated by reportable segment.

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