CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 17,250	$ 259	$ 17,141	$ 532
Other comprehensive loss
Employee pension plan adjustments, net of taxes	(5)	(10)	(53)	(40)
Comprehensive income	$ 17,245	$ 249	$ 17,088	$ 492