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Revenue Recognition (Narrative) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Contract assets	$ 0	$ 0
Deferred revenue and customer deposits	19,644	$ 219
Performance obligation	$ 14,850
Minimum [Member] | Railcar Sales [Member]
Disaggregation of Revenue [Line Items]
Contract payment term	5 days
Minimum [Member] | Parts Sales [Member]
Disaggregation of Revenue [Line Items]
Contract payment term	30 days
Maximum [Member] | Railcar Sales [Member]
Disaggregation of Revenue [Line Items]
Contract payment term	10 days
Maximum [Member] | Parts Sales [Member]
Disaggregation of Revenue [Line Items]
Contract payment term	45 days

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