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PREPAID EXPENSES AND OTHER - Prepaid Expenses and Other Current Assets (Details) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Chassis converter pool agreements $ 11,217,000 $ 18,185,000
Assets held for sale 0 350,000
Income tax receivables 3,356,000 10,386,000
Insurance premiums & maintenance/subscription agreements 9,594,000 3,290,000
Commodity swap contracts 4,280,000 7,963,000
All other 3,533,000 3,621,000
Prepaid expenses and other current assets 31,980,000 43,795,000
Restricted cash $ 0 $ 0