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OPERATING SEGMENT DATA (Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | $ 160,684 | $ 137,675 | $ 149,951
DEPRECIATION AND AMORTIZATION EXPENSE | 112,466 | 108,635 | 103,068
Amortization of intangibles | 4,367 | 4,521 | 4,538
Operating Segments | ArcBest |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 3,909 | 5,174 | 9,823
DEPRECIATION AND AMORTIZATION EXPENSE | 11,344 | 13,750 | 13,090
Amortization of intangibles | 4,200 | 4,300 | 4,300
Operating Segments | FleetNet |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 590 | 1,365 | 1,089
DEPRECIATION AND AMORTIZATION EXPENSE | 1,341 | 1,140 | 1,089
Amortization of intangibles | 200 | 200 | 200
Operating Segments | Asset-Based |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 122,437 | 116,505 | 112,751
DEPRECIATION AND AMORTIZATION EXPENSE | 89,798 | 85,951 | 82,507
Assets acquired through notes payable and capital leases | 67,600 | 86,800 | 84,200
Other and eliminations |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 33,748 | 14,631 | 26,288
DEPRECIATION AND AMORTIZATION EXPENSE | 9,983 | 7,794 | $ 6,382
Assets acquired through notes payable | $ 23,200 | $ 6,900 |

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