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LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Assets Sec) (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | $ 251,433 | $ 272,330
Less accumulated depreciation and amortization | 84,766 | 87,691
Net assets securing notes payable or held under capital leases | 166,667 | 184,639
Revenue equipment |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | 249,053 | 269,950
Land and structures (service centers) |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | 1,794 | 1,794
Software |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | 486 | 486
Service, office, and other equipment |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | $ 100 | $ 100

X
- Definition Amount of accumulated depreciation and amortization on property, plant and equipment pledged to secure a debt instrument. + References No definition available. + Details
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X
- Definition The gross amount of property, plant and equipment pledged to secure a debt instrument. + References No definition available. + Details
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- Details
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