SEGMENT INFORMATION - Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
SEGMENT INFORMATION
Total segment gross profit	$ 97,169	$ 89,632
Costs and expenses
General and administrative expenses	11,000	8,931
Depreciation and amortization	114	125
Operating income	86,055	80,576
Fair value changes in equity securities	799	613	$ (1,503)
Interest and other income	2,263	975
Interest and other expense	(9,175)	(898)
Income before income taxes	$ 79,942	$ 81,266