Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory, Net [Abstract]

Classes of inventories

(in thousands)	September 30, 2021		December 31, 2020		September 30, 2020
Grain and other agricultural products (a)	$	732,512	$	1,025,809	$	557,808
Frac sand and propane (a)	18,481		12,477		10,064
Ethanol and co-products (a)	105,052		114,895		59,543
Plant nutrients and cob products	161,759		139,885		120,173
Total Inventories	$	1,017,804	$	1,293,066	$	747,588

(a) Includes RMI of $700.3 million, $983.2 million and $523.3 million at September 30, 2021, December 31, 2020 and September 30, 2020, respectively.