Operating Leases - Schedule of Operating Leases (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) railcar
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	572
Monthly Payment | $	$ 285,478
American Railcar Leasing, Maturity Date Jun 30, 2021
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	30
Monthly Payment | $	$ 30,780
Andersons Railcar Leasing Co. Maturity Date Jun 30, 2023
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	10
Monthly Payment | $	$ 5,000
Andersons Railcar Leasing Co. Maturity Date Jun 30, 2026
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	20
Monthly Payment | $	$ 11,300
Farm Credit Leasing, Maturity Date Aug 31, 2032
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	87
Monthly Payment | $	$ 34,929
GATX Corporation, Maturity Date Jun 30, 2020
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	14
Monthly Payment | $	$ 4,200
Midwest Railcar Corporation, Maturity Date Dec 31, 2021
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	64
Monthly Payment | $	$ 27,200
Trinity Capital, Maturity Date Oct 31, 2020 With Monthly Payment $28536
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	29
Monthly Payment | $	$ 28,536
Trinity Capital, Maturity Date Oct 31, 2020 With Monthly Payment $13,600
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	20
Monthly Payment | $	$ 13,600
Trinity Capital, Maturity Date Oct 31, 2023 With Monthly Payment $17255
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	29
Monthly Payment | $	$ 17,255
Trinity Capital, Maturity Date Oct 31, 2023 With Monthly Payment $11900
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	20
Monthly Payment | $	$ 11,900
Wells Fargo Rail, Maturity Date July 31, 2022
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	112
Monthly Payment | $	$ 52,557
Wells Fargo Rail, Maturity Date Dec 31, 2022
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	107
Monthly Payment | $	$ 35,845
Wells Fargo Rail, Maturity Date Dec, 31, 2011 With Monthly Payment $2926
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	7
Monthly Payment | $	$ 2,926
Wells Fargo Rail, Maturity Date Dec 31, 2021 With Monthly Payment $5850
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	15
Monthly Payment | $	$ 5,850
Wells Fargo Rail, Maturity Date Dec 31, 2021 With Monthly Payment $3600
Lessee, Lease, Description [Line Items]
Quantity of Railcars | railcar	8
Monthly Payment | $	$ 3,600