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OPERATING SEGMENT DATA - Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
OPERATING INCOME |  |  |
Operating income | $ 280,986 | $ 98,278 | $ 63,770
OTHER INCOME (COSTS) |  |  |
Interest and dividend income | 1,275 | 3,616 | 6,453
Interest and other related financing costs | (8,904) | (11,697) | (11,467)
Other, net | 3,797 | 2,299 | (7,285)
Total other costs | (3,832) | (5,782) | (12,299)
INCOME BEFORE INCOME TAXES | 277,154 | 92,496 | 51,471
Operating Segments | Asset Based |  |  |
OPERATING INCOME |  |  |
Operating income | 260,707 | 98,865 | 102,061
Operating Segments | ArcBest |  |  |
OPERATING INCOME |  |  |
Operating income | 46,397 | 9,655 | (20,189)
Operating Segments | FleetNet |  |  |
OPERATING INCOME |  |  |
Operating income | 4,544 | 3,367 | 4,806
Other and eliminations |  |  |
OPERATING INCOME |  |  |
Operating income | $ (30,662) | $ (13,609) | $ (22,908)

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