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Capitalized Interest (Tables)
6 Months Ended
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,
 2021202020212020
Interest capitalized, beginning of period$829 $3,034 $1,025 $3,499 
Interest incurred13,291 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