OPERATING SEGMENT DATA - Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
OPERATING INCOME FROM CONTINUING OPERATIONS
Operating income	$ 21,159	$ 92,943
OTHER INCOME (COSTS) FROM CONTINUING OPERATIONS
Interest and dividend income	2,933	99
Interest and other related financing costs	(2,327)	(1,940)
Other, net	1,780	(826)
TOTAL OTHER INCOME (COSTS)	2,386	(2,667)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	23,545	90,276
Operating Segments | Asset Based
OPERATING INCOME FROM CONTINUING OPERATIONS
Operating income	47,471	80,034
Operating Segments | Asset-Light
OPERATING INCOME FROM CONTINUING OPERATIONS
Operating income	(14,091)	21,116
Other and eliminations
OPERATING INCOME FROM CONTINUING OPERATIONS
Operating income	$ (12,221)	$ (8,207)