Leased Railcars (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Leases [Line Items]
Railcars Available for Lease, net	$ 2,842	$ 11,324
Railcars Available for Lease, cost	2,842	14,995
Railcars Available for Lease, accumulated depreciation	0	3,671
Depreciation Expense on Leased Railcars	332	616
Impairment Of Leased Railcars	$ 4,091	4,515
Lessee, Operating Lease, Discount Rate	6.30%
Manufacturing [Member]
Leases [Line Items]
Assets, fair value	$ 2,842
Impairment Of Leased Railcars	4,091	$ 4,515
Manufacturing [Member] \| Valuation, Cost Approach [Member]
Leases [Line Items]
Railcars Available for Lease, net	$ 6,933

Impairment Of Leased Railcars

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Leases [Line Items]

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Discount rate used by lessee to determine present value of operating lease payments.

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Amount of depreciation expense for lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

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Amount of accumulated depreciation of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

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