OTHER ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Other Assets, Noncurrent [Abstract]
Equity Method Investments	$ 0
Prepaid software	10,792	$ 10,809
Manufacturing spares	1,975	9,766
Investment in Wheels India Limited	1,964	2,456
Deferred financing costs	0	2,000
Notes receivable	141	264
Other	6,011	4,752
Other noncurrent assets	26,484	69,002
Equity Method Investments [Member]
Other Assets, Noncurrent [Abstract]
Equity Method Investments	5,601	4,973
Wheels India [Member]
Other Assets, Noncurrent [Abstract]
Equity Method Investments	$ 0	$ 33,982