Leases and Contingencies (Schedule of Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Leases and Contingencies [Abstract]
Cash paid for amounts included in the measurements of lease: Operating cash flow from operating leases liabilities	$ 2,778	$ 2,121
Right-of-use assets obtained in exchange for lease obligations - Operating leases	$ 887	$ 1,490
Weighted average remaining lease term	3 years 10 months 24 days
Weighted average discount rate	3.50%