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Net Sales - Summary of Net Sales Disaggregated by Principal Markets (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net sales:
Net sales	$ 190,228	$ 127,199	$ 140,696	$ 98,116	$ 88,903	$ 73,969	$ 105,033	$ 83,411	$ 556,239	$ 351,316	$ 365,070
Chemical [Member]
Net sales:
Net sales									556,239	351,316	365,070
Chemical [Member] | Agricultural Products [Member]
Net sales:
Net sales									264,502	180,036	187,641
Chemical [Member] | Industrial Products [Member]
Net sales:
Net sales									234,496	133,024	139,643
Chemical [Member] | Mining Products [Member]
Net sales:
Net sales									$ 57,241	$ 38,256	$ 37,786

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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