Capitalized Interest (Tables)

12 Months Ended

Dec. 31, 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

Our interest costs incurred, capitalized, expensed and charged to cost of sales during the years ended December 31, 2021, 2020 and 2019 was as follows:

	Year Ended December 31,
	2021		2020		2019
Interest capitalized, beginning of year	$	1,025	$	3,499	$	4,154
Interest incurred	53,248		41,327		26,463
Interest charged to interest expense	(53,117)		(40,872)		(25,380)
Interest charged to cost of sales	(563)		(2,929)		(1,738)
Interest capitalized, end of year	$	593	$	1,025	$	3,499