Benefit Plans (Components of Net Periodic Benefit Cost Credit) (Details) - Pension Plan - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Components of net periodic (benefit) cost:
Interest cost	$ 474	$ 474
Expected return on Plan assets	(642)	(642)
Total net periodic (benefit) cost	$ (168)	$ (168)