Net Sales - Summary of Net Sales Disaggregated by Principal Markets (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net sales:
Net sales	$ 233,654	$ 184,273	$ 284,803	$ 198,981	$ 190,228	$ 127,199	$ 140,696	$ 98,116	$ 901,711	$ 556,239	$ 351,316
Chemical
Net sales:
Net sales									901,711	556,239	351,316
Chemical | AN and Nitric Acid
Net sales:
Net sales									315,679	228,754	150,902
Chemical | Urea ammonium nitrate (UAN)
Net sales:
Net sales									239,463	123,840	75,031
Chemical | Ammonia
Net sales:
Net sales									284,005	155,159	84,222
Chemical | Other
Net sales:
Net sales									$ 62,564	$ 48,486	$ 41,161