Fair Value of Financial Instruments (Fair Value By Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	$ 82,273	$ 60,707
Interest bearing deposits	1,479	2,603
Investment securities - AFS, Fair Value	146,470	140,000
Investment securities - HTM	95,346	97,981
Restricted Bank Stock	5,204	5,209
Loans, net	883,936	886,712
Financial derivative, fair value	781	700
Accrued interest receivable	3,814	3,862
Deposits - non-maturity	805,263	773,119
Deposits - time deposits	235,489	245,762
Short-term borrowed funds	48,845	36,000
Long-term borrowed funds	123,906	133,397
Accrued interest payable	453	380
Off balance sheet financial instruments	0	0
Cash and due from banks, Carrying Amount	82,273	60,707
Interest bearing deposits in banks, Carrying Amount	1,479	2,603
Investment securities - AFS, Carrying Amount	146,470	140,000
Investment securities - HTM, carrying amount	93,632	97,169
Restricted Bank stock, Carrying Amount	5,204	5,209
Loans, net, Carrying Amount	882,546	882,008
Financial deriviative, carrying amount	781	700
Accrued interest receivable, Carrying Amount	3,814	3,862
Deposits - non-maturity, Carrying Amount	805,263	773,119
Deposits - time deposits, Carrying Amount	234,127	241,110
Short-term borrowed funds, carrying amount	48,845	36,000
Long-term borrowed funds, carrying amount	120,929	131,737
Accrued interest payable, Carrying Amount	453	380
Off balance sheet financial instruments, carrying amount	0	0
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	82,273	60,707
Interest bearing deposits	1,479	2,603
Off balance sheet financial instruments	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - HTM	86,836	89,031
Restricted Bank Stock	5,204	5,209
Financial derivative, fair value	781	700
Accrued interest receivable	3,814	3,862
Deposits - non-maturity	805,263	773,119
Deposits - time deposits	235,489	245,762
Short-term borrowed funds	48,845	36,000
Long-term borrowed funds	123,906	133,397
Accrued interest payable	453	380
Investment securities - AFS, Carrying Amount	131,550	119,746
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - HTM	8,510	8,950
Loans, net	883,936	886,712
Investment securities - AFS, Carrying Amount	$ 14,920	$ 20,254