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OTHER ASSETS (Tables)
12 Months Ended
Dec. 31, 2020
Other Assets, Noncurrent Disclosure [Abstract]  
Schedule of Other Assets, Noncurrent [Table Text Block]
Other long-term assets at December 31, 2020 and 2019, consisted of the following (amounts in thousands):
 20202019
Prepaid software$10,792 $10,809 
Other equity investments5,601 4,973 
Amortizable intangibles1,975 9,766 
Manufacturing spares1,964 2,456 
Deferred financing costs141 264 
Investment in Wheels India Limited— 33,982 
Notes receivable— 2,000 
Other6,011 4,752 
 $26,484 $69,002