Capitalized Interest - Summary of Interest Costs Incurred, Capitalized, Expensed and Charged to Cost of Sales (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Capitalized Interest Costs, Including Allowance for Funds Used During Construction [Roll Forward]
Interest capitalized, beginning of period	$ 829	$ 3,034	$ 1,025	$ 3,499
Interest incurred	13,291	9,665	26,714	16,300
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