Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Retirement Benefits [Abstract]
Expected contribution in next fiscal year	$ 600		$ 600
Contribution made			300
Net periodic benefit:
Interest cost	164	$ 207	492	$ 623
Expected return on plan assets	(280)	(251)	(832)	(756)
Amortization of net actuarial loss	25	37	73	107
Net periodic benefit	$ (91)	$ (7)	$ (267)	$ (26)