Revenue (Disaggregation of Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Total	$ 738,978	$ 677,856
Specialty nutrients
Disaggregation of Revenue [Line Items]
Total	69,997	93,268
Primary nutrients
Disaggregation of Revenue [Line Items]
Total	64,750	89,882
Products and co-products
Disaggregation of Revenue [Line Items]
Total	483,575	340,565
Propane and frac sand
Disaggregation of Revenue [Line Items]
Total	76,523	114,503
Other
Disaggregation of Revenue [Line Items]
Total	44,133	39,638
Trade
Disaggregation of Revenue [Line Items]
Total	178,079	233,905
Trade | Specialty nutrients
Disaggregation of Revenue [Line Items]
Total	0	0
Trade | Primary nutrients
Disaggregation of Revenue [Line Items]
Total	0	0
Trade | Products and co-products
Disaggregation of Revenue [Line Items]
Total	88,966	107,871
Trade | Propane and frac sand
Disaggregation of Revenue [Line Items]
Total	76,523	114,503
Trade | Other
Disaggregation of Revenue [Line Items]
Total	12,590	11,531
Ethanol
Disaggregation of Revenue [Line Items]
Total	396,957	233,909
Ethanol | Specialty nutrients
Disaggregation of Revenue [Line Items]
Total	0	0
Ethanol | Primary nutrients
Disaggregation of Revenue [Line Items]
Total	0	0
Ethanol | Products and co-products
Disaggregation of Revenue [Line Items]
Total	394,609	232,694
Ethanol | Propane and frac sand
Disaggregation of Revenue [Line Items]
Total	0	0
Ethanol | Other
Disaggregation of Revenue [Line Items]
Total	2,348	1,215
Plant Nutrient
Disaggregation of Revenue [Line Items]
Total	163,942	210,042
Plant Nutrient | Specialty nutrients
Disaggregation of Revenue [Line Items]
Total	69,997	93,268
Plant Nutrient | Primary nutrients
Disaggregation of Revenue [Line Items]
Total	64,750	89,882
Plant Nutrient | Products and co-products
Disaggregation of Revenue [Line Items]
Total	0	0
Plant Nutrient | Propane and frac sand
Disaggregation of Revenue [Line Items]
Total	0	0
Plant Nutrient | Other
Disaggregation of Revenue [Line Items]
Total	$ 29,195	$ 26,892