Leases and Commitments (Schedule of Supplemental Cash Flow Information) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
LEASES AND COMMITMENTS
Cash paid for amounts included in the measurements of lease: Operating cash flow from operating leases liabilities	$ 3,025
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 3,489
Weighted average remaining lease term	4 years 6 months
Weighted average discount rate	3.70%