Leases (Schedule of Supplemental Cash Flow Information) (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
LEASES
Cash paid for amounts included in the measurements of lease: Operating cash flow from operating leases liabilities	$ 729	$ 1,392
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability		$ 1,490
Weighted average remaining lease term	5 years 2 months 12 days	5 years 2 months 12 days
Weighted average discount rate	3.90%	3.90%