Leases (Narrative) (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Leases (Textual)
Weighted average remaining life	7 years 8 months 23 days	7 years 8 months 23 days
Weighted average discount rate	3.02%	3.02%
Operating lease costs	$ 533	$ 1,600
Operating lease, right-of-use asset	16,100	16,100
Lease liabilities	$ 16,682	$ 16,682