Revenue (Disaggregation of Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total	$ 677,856	$ 487,094
Specialty nutrients
Disaggregation of Revenue [Line Items]
Total	93,268	76,806
Primary nutrients
Disaggregation of Revenue [Line Items]
Total	89,882	71,659
Products and co-products
Disaggregation of Revenue [Line Items]
Total	340,565	217,632
Frac sand and propane
Disaggregation of Revenue [Line Items]
Total	119,792	92,065
Other
Disaggregation of Revenue [Line Items]
Total	34,349	28,932
Trade
Disaggregation of Revenue [Line Items]
Total	233,905	168,439
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	107,871	71,988
Trade | Frac sand and propane
Disaggregation of Revenue [Line Items]
Total	119,792	92,065
Trade | Other
Disaggregation of Revenue [Line Items]
Total	6,242	4,386
Ethanol
Disaggregation of Revenue [Line Items]
Total	233,909	149,403
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	232,694	145,644
Ethanol | Frac sand and propane
Disaggregation of Revenue [Line Items]
Total	0	0
Ethanol | Other
Disaggregation of Revenue [Line Items]
Total	1,215	3,759
Plant Nutrient
Disaggregation of Revenue [Line Items]
Total	210,042	169,252
Plant Nutrient | Specialty nutrients
Disaggregation of Revenue [Line Items]
Total	93,268	76,806
Plant Nutrient | Primary nutrients
Disaggregation of Revenue [Line Items]
Total	89,882	71,659
Plant Nutrient | Products and co-products
Disaggregation of Revenue [Line Items]
Total	0	0
Plant Nutrient | Frac sand and propane
Disaggregation of Revenue [Line Items]
Total	0	0
Plant Nutrient | Other
Disaggregation of Revenue [Line Items]
Total	$ 26,892	$ 20,787