Leases (Information Of Lease Right Of Use Asset And Lease Liability) (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Leases [Abstract]
Cash paid for operating lease liabilities	$ 1,374	$ 2,746
Right-of-use asset obtained in exchange for new operating lease obligations	$ 545	$ 1,392
Weighted-average remaining lease term	4 years 4 months 2 days	4 years 4 months 2 days
Weighted-average discount rate	6.42%	6.42%