The following table provides information regarding net pension benefit costs for the periods shown: (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Retirement Benefits [Abstract]
Service cost		$ 334		$ 668
Interest cost	487	312	487	625
Expected return on assets	(333)	(427)	(333)	(854)
Amortization of actuarial loss		159		317
Net periodic pension cost	$ 154	$ 378	$ 154	$ 756