CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME [Abstract]
Net income	$ 3,544	$ 3,839	$ 4,076	$ 10,754
Other comprehensive income (loss)
Derivative qualifying as a cash flow hedge, net of taxes (nil)	0	65	0	326
Employee pension plan adjustments, net of taxes (nil)	(21)	(134)	(61)	(403)
Comprehensive income	$ 3,523	$ 3,770	$ 4,015	$ 10,677