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LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Assets Sec) (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | $ 140,345 | $ 138,492
Less accumulated depreciation and amortization | 32,317 | 25,120
Net assets securing notes payable or held under capital leases | 108,028 | 113,372
Revenue equipment |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | 138,551 | 136,698
Land and structures (terminals) |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | $ 1,794 | $ 1,794

X
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X
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