Net Sales - Summary of Net Sales Disaggregated by Principal Markets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net sales:
Net sales	$ 593,709	$ 901,711	$ 556,239
Chemical
Net sales:
Net sales	593,709	901,711	556,239
Chemical | AN and Nitric Acid
Net sales:
Net sales	221,818	315,679	228,754
Chemical | Urea ammonium nitrate (UAN)
Net sales:
Net sales	154,206	239,463	123,840
Chemical | Ammonia
Net sales:
Net sales	166,581	284,005	155,159
Chemical | Other
Net sales:
Net sales	$ 51,104	$ 62,564	$ 48,486