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Capitalized Interest (Tables) | 6 Months Ended
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Jun. 30, 2021
Capitalized Interest Costs, Including Allowance for Funds Used During Construction [Abstract] |
Summary of Interest Costs Incurred, Capitalized, Expensed and Charged to Cost of Sales | The following table reflects the changes in our capitalized interest during the three and six months ended June 30, 2021 and 2020:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Interest capitalized, beginning of period |  | $ | 829 |  |  | $ | 3,034 |  |  | $ | 1,025 |  |  | $ | 3,499 |
Interest incurred |  | 13,291 |  |  | 9,665 |  |  | 26,714 |  |  | 16,300 |
Interest charged to interest expense |  | (13,270) |  |  | (9,525) |  |  | (26,667) |  |  | (16,011) |
Interest charged to cost of sales |  | (206) |  |  | (501) |  |  | (428) |  |  | (1,115) |
Interest capitalized, end of period |  | $ | 644 |  |  | $ | 2,673 |  |  | $ | 644 |  |  | $ | 2,673 |

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