Leases (Information Of Lease Right Of Use Asset And Lease Liability) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Cash paid for operating lease liabilities	$ 5,361
Right-of-use assets obtained in exchange for new operating lease obligations	$ 5,225
Weighted-average remaining lease term	4 years 1 month 17 days
Weighted-average discount rate	6.22%