Leases (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Leases (Textual)
Weighted average remaining life	7 years 7 months 24 days		7 years 7 months 24 days
Weighted average discount rate	2.72%		2.72%
Operating lease costs	$ 603	$ 520	$ 1,200	$ 1,000
Operating lease, right-of-use asset	20,700		20,700		$ 19,500
Lease liabilities	$ 21,441		$ 21,441		$ 20,100