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ACCOUNTING POLICIES (Property) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Property, Plant and Equipment |  |  |
Long-lived assets impairment |  | $ 6,500 |
Goodwill impairment |  | 20,000 |
Asset Impairment Charges | $ 26,500 | 26,514 |
Held-for-sale | Other long-term assets |  |  |
Property, Plant and Equipment |  |  |
Assets held for sale which are reported within other noncurrent assets | $ 1,300 | $ 1,300 | $ 700
Structures | Minimum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 15 years |
Structures | Maximum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 60 years |
Revenue equipment | Minimum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 3 years |
Revenue equipment | Maximum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 14 years |
Service, office, and other equipment | Minimum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 2 years |
Service, office, and other equipment | Maximum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 15 years |
Software | Minimum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 2 years |
Software | Maximum |  |  |
Property, Plant and Equipment |  |  |
Depreciation/amortization period |  | 7 years |

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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale) and the amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References No definition available. + Details
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