CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME [Abstract]
Net income		$ 12,634	$ 34,718
Other comprehensive income
Derivative qualifying as a cash flow hedge, net of taxes (nil)		0	878
Employee pension plan adjustments, net of taxes	[1]	280	2,047
Comprehensive income		$ 12,914	$ 37,643

[1] Taxes related to pension plan adjustments were $0.1 million and $0.7 million for each of the years ended December 31, 2022 and 2021, respectively.