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Revenue Recognition (Schedule of Revenue Recognition) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 160,927	$ 80,396
Leasing revenues	131	603
Total revenues	161,058	80,999
Railcar Sales [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	155,597	76,996
Parts Sales [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 5,330	$ 3,400

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