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Capitalized Interest and Real Estate Taxes (Tables) | 3 Months Ended
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Mar. 31, 2018
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Summary of Interest Incurred and Capitalized and Interest Expensed for Units Settled | The following table is a summary of interest and real estate taxes incurred and capitalized and interest and real estate taxes expensed for units settled:
|  | Three Months Ended |
| March 31, |
|  | 2018 |  |  | 2017 |
Interest incurred and capitalized |  | $ | 896 |  |  | $ | 1,026 |
Real estate taxes incurred and capitalized |  |  | 66 |  |  |  | 40 |
Total interest and real estate taxes incurred and capitalized |  | $ | 962 |  |  | $ | 1,066 |
Interest expensed as a component of cost of sales |  | $ | 518 |  |  | $ | 451 |
Real estate taxes expensed as a component of cost of sales |  |  | 48 |  |  |  | 60 |
Interest and real estate taxes expensed as a component of cost of sales |  | $ | 566 |  |  | $ | 511 |

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