Revenue Recognition (Schedule of Revenue Recognition) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 145,965	$ 88,222	$ 306,892	$ 168,618
Leasing revenues	1,451	374	1,582	977
Total revenues	147,416	88,596	308,474	169,595
Railcar Sales [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	141,077	85,349	296,674	162,345
Parts Sales [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 4,888	$ 2,873	$ 10,218	$ 6,273