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Inventories (Schedule of Inventory Current) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Inventory Disclosure [Abstract]    
Raw materials $ 67,841 $ 47,340
Work in process 7,699 9,323
Finished railcars 25,702 12,640
Parts inventory 5,860 5,978
Total inventories, net $ 107,102 $ 75,281