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Capitalized Interest (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 30, 2021 and 2020:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Interest capitalized, beginning of period |  | $ | 644 |  |  | $ | 2,673 |  |  | $ | 1,025 |  |  | $ | 3,499 |
Interest incurred |  | 13,263 |  |  | 11,792 |  |  | 39,977 |  |  | 28,092 |
Interest charged to interest expense |  | (13,243) |  |  | (11,687) |  |  | (39,910) |  |  | (27,698) |
Interest charged to cost of sales |  | (100) |  |  | (370) |  |  | (528) |  |  | (1,485) |
Interest capitalized, end of period |  | $ | 564 |  |  | $ | 2,408 |  |  | $ | 564 |  |  | $ | 2,408 |

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