Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments Segregated By The Level Of The Valuation Inputs) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Financial Assets:
Held to maturity securities, fair value	$ 10,680	$ 10,677
Accrued interest receivable	6,357	6,194
Servicing Asset at Amortized Cost	3,500	3,500
Mortgage loan servicing rights	4,500	4,200
Bank owned life insurance	28,795	28,575
Derivative Assets	2,043	1,235
Financial Liabilities:
Accrued interest payable	1,190	1,132
Derivative instrument	2,043	1,235
Other borrowings	194,645	183,814
Carrying Values [Member] | Level 2 Inputs [Member]
Financial Assets:
Cash and cash equivalents	65,102	75,650
Held to maturity securities, fair value	10,413	10,443
Accrued interest receivable	6,357	6,194
Servicing Asset at Amortized Cost	3,516	3,491
Bank owned life insurance	28,795	28,575
Investments included in other assets	16,624	14,627
Financial Liabilities:
Deposits	1,977,265	1,946,018
Accrued interest payable	1,190	1,132
Other liabilities	9,646	9,516
Other borrowings	194,645	183,814
Subordinated debentures	46,393	46,393
Carrying Values [Member] | Level 3 Inputs [Member]
Financial Assets:
Total loans, net of allowance	1,908,900	1,849,586
Fair Values [Member] | Level 2 Inputs [Member]
Financial Assets:
Cash and cash equivalents	65,102	75,650
Held to maturity securities, fair value	10,680	10,677
Accrued interest receivable	6,357	6,194
Mortgage loan servicing rights	4,490	4,159
Bank owned life insurance	28,795	28,575
Investments included in other assets	16,624	14,627
Financial Liabilities:
Deposits	1,929,085	1,897,927
Accrued interest payable	1,190	1,132
Other liabilities	9,646	9,516
Other borrowings	194,743	183,926
Subordinated debentures	46,393	46,393
Fair Values [Member] | Level 3 Inputs [Member]
Financial Assets:
Total loans, net of allowance	$ 1,900,248	$ 1,839,960