Summary Of Significant Accounting Policies (Schedule Of Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary Of Significant Accounting Policies [Abstract]
Cash paid during the period for: Income taxes	$ 4,310	$ 4,605	$ 7,926
Cash paid during the period for: Interest	21,373	16,191	10,692
Noncash investing activities:
Transfer of loans to foreclosed real estate	0	1,709	216
Initial recognition of financing lease right-of-use assets	1,358	0	0
Initial recognition of financing lease liabilities	1,480	0	0
Initial recognition of operating lease right-of-use assets	2,958	0	0
Initial recognition of operating lease liabilities	3,035	0	0
Loans to facilitate sale of foreclosed real estate	0	0	2,310
Transfer of loans held for sale to held-to-maturity portfolio	$ 0	$ 0	$ 228