Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments Segregated By The Level Of The Valuation Inputs) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financial Assets:
Held to maturity securities, fair value	$ 10,677	$ 12,282
Accrued interest receivable	6,194	5,767
Servicing Asset at Amortized Cost	3,500
Mortgage loan servicing rights	4,200
Bank owned life insurance	28,575	27,676
Derivative Assets	1,235	1,793
Financial Liabilities:
Accrued interest payable	1,132	867
Derivative instrument	1,235	1,793
Other borrowings	183,814	110,927
Carrying Values [Member] | Level 2 Inputs [Member]
Financial Assets:
Cash and cash equivalents	75,650	78,129
Held to maturity securities, fair value	10,443	11,797
Accrued interest receivable	6,194	5,767
Mortgage loan servicing rights	3,491	3,721
Bank owned life insurance	28,575	27,676
Investments included in other assets	14,627	10,383
Financial Liabilities:
Deposits	1,946,018	1,884,105
Accrued interest payable	1,132	867
Other liabilities	9,516	10,314
Other borrowings	183,814	110,927
Subordinated debentures	46,393	51,548
Carrying Values [Member] | Level 3 Inputs [Member]
Financial Assets:
Total loans, net of allowance	1,849,586	1,753,323
Fair Values [Member] | Level 2 Inputs [Member]
Financial Assets:
Cash and cash equivalents	75,650	78,129
Held to maturity securities, fair value	10,677	12,282
Accrued interest receivable	6,194	5,767
Mortgage loan servicing rights	4,159	3,721
Bank owned life insurance	28,575	27,676
Investments included in other assets	14,627	10,383
Financial Liabilities:
Deposits	1,897,927	1,780,954
Accrued interest payable	1,132	867
Other liabilities	9,516	10,314
Other borrowings	183,926	112,149
Subordinated debentures	46,393	51,548
Fair Values [Member] | Level 3 Inputs [Member]
Financial Assets:
Total loans, net of allowance	$ 1,839,960	$ 1,728,114