Employee Benefits (Details 1) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Employee Benefits and Share-based Compensation, Noncash [Abstract]
Interest cost	$ 370	$ 689
Expected return on plan assets	(470)	(1,074)
Amortization of unrecognized loss	219	374
Net periodic cost (benefit)	$ 119	$ (11)