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Inventories (Schedule of Inventory Current) (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Inventory Disclosure [Abstract]    
Raw materials $ 54,373 $ 47,340
Work in process 13,666 9,323
Finished railcars 5,199 12,640
Parts inventory 5,871 5,978
Total inventories, net $ 79,109 $ 75,281