Fair Value Measurements (Estimated Fair Values of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest bearing deposits with banks	$ 23	$ 136
Interest bearing time deposits with banks	249	847
Investment securities available for sale	128,153	122,338
Restricted investment in Federal Home Loan Bank (FHLB) stock	2,065	1,726
Non-interest bearing deposits	73,299	71,318
Interest bearing deposits	310,443	315,433
Other Interest Bearing Liabilites	1,335	1,305
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	9,789	14,261
Interest bearing deposits with banks	23	136
Interest bearing time deposits with banks	249	847
Investment securities available for sale	128,153	122,338
Restricted investment in Federal Home Loan Bank (FHLB) stock	2,065	1,726
Total loans, net of allowance for loan losses	280,315	274,219
Mortgage servicing rights	146	98
Accrued interest receivable	1,545	1,632
Non-interest bearing deposits	73,299	71,318
Interest bearing deposits	310,443	315,433
Securities sold under agreements to repurchase	4,480	3,836
Short-term borrowings	13,863	1,600
Other Interest Bearing Liabilites	1,335	1,305
Accrued interest payable	304	354
Commitments to extend credit
Letters of credit
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	9,789	14,261
Interest bearing deposits with banks	23	136
Interest bearing time deposits with banks	250	849
Investment securities available for sale	128,153	122,338
Restricted investment in Federal Home Loan Bank (FHLB) stock	2,065	1,726
Total loans, net of allowance for loan losses	287,970	286,467
Mortgage servicing rights	146	98
Accrued interest receivable	1,545	1,632
Non-interest bearing deposits	73,299	71,318
Interest bearing deposits	314,146	319,946
Securities sold under agreements to repurchase	4,480	3,836
Short-term borrowings	13,863	1,600
Other Interest Bearing Liabilites	1,336	1,315
Accrued interest payable	304	354
Commitments to extend credit
Letters of credit