Net Sales - Summary of Net Sales Disaggregated by Principal Markets (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net sales:
Net sales	$ 165,845	$ 284,803	$ 346,809	$ 483,784
Chemical
Net sales:
Net sales	(165,845)	284,803	346,809	483,784
Chemical | AN and Nitric Acid
Net sales:
Net sales	(69,561)	96,142	127,833	167,942
Chemical | Urea ammonium nitrate (UAN)
Net sales:
Net sales	(40,905)	76,986	87,495	133,555
Chemical | Ammonia
Net sales:
Net sales	(39,612)	89,444	103,027	148,786
Chemical | Other
Net sales:
Net sales	$ (15,767)	$ 22,231	$ 28,454	$ 33,501