DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PPE (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021
Salvage Value
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Tractor Fleet previous salvage value (as a percent)	30.00%
Tractor Fleet salvage value (as a percent)	25.00%
Building and Building Improvements | Minimum
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Property, plant and equipment, useful life		15 years
Building and Building Improvements | Maximum
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Property, plant and equipment, useful life		40 years
Transportation Equipment | Minimum
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Property, plant and equipment, useful life		5 years
Transportation Equipment | Maximum
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Property, plant and equipment, useful life		14 years
Other Machinery and Equipment | Minimum
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Property, plant and equipment, useful life		3 years
Other Machinery and Equipment | Maximum
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Property, plant and equipment, useful life		10 years