Loans, Non-Accrual And Past Due Loans (Details) (USD $)	9 Months Ended
	Sep. 30, 2013 Loan	Dec. 31, 2012
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	$ 5,620,000	$ 6,412,000
60 to 89 Days Past Due	3,166,000	3,679,000
90 Days and Over	5,886,000	5,548,000
Total Past Due	14,672,000	15,639,000
Current	323,095,000	317,655,000
Total Loans Receivable	337,767,000	333,294,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	5,886,000	5,548,000
Ninety days past due and still accruing interest	0	0
Recorded investment in new TDRs	404,000
Specific reserve against residential real estate loan	61,000
Subsequent default number of contracts	5
Residential Mortgage Loans [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	1,653,000	2,698,000
60 to 89 Days Past Due	1,026,000	1,161,000
90 Days and Over	2,401,000	2,046,000
Total Past Due	5,080,000	5,905,000
Current	161,977,000	170,705,000
Total Loans Receivable	167,057,000	176,610,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	2,401,000	2,046,000
1-4 Family First Lien Residential Mortgage [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	1,653,000	2,698,000
60 to 89 Days Past Due	1,026,000	1,161,000
90 Days and Over	2,401,000	2,046,000
Total Past Due	5,080,000	5,905,000
Current	160,283,000	168,050,000
Total Loans Receivable	165,363,000	173,955,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	2,401,000	2,046,000
Construction [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	0	0
60 to 89 Days Past Due	0	0
90 Days and Over	0	0
Total Past Due	0	0
Current	1,694,000	2,655,000
Total Loans Receivable	1,694,000	2,655,000
Residential Real Estate [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Pre-modification recorded investment	400,000
Post-modification recorded investment	407,000
Commercial Loans [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	3,717,000	3,481,000
60 to 89 Days Past Due	2,109,000	2,071,000
90 Days and Over	3,060,000	2,726,000
Total Past Due	8,886,000	8,278,000
Current	136,898,000	122,864,000
Total Loans Receivable	145,784,000	131,142,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	3,060,000	2,726,000
Subsequent default number of contracts	1
Payment default within the twelve month period	110,000
Real Estate [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	917,000	1,706,000
60 to 89 Days Past Due	1,082,000	1,833,000
90 Days and Over	2,336,000	1,794,000
Total Past Due	4,335,000	5,333,000
Current	89,743,000	76,996,000
Total Loans Receivable	94,078,000	82,329,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	2,336,000	1,794,000
Subsequent default number of contracts	2
Payment default within the twelve month period	758,000
Lines of Credit [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	237,000	496,000
60 to 89 Days Past Due	0	153,000
90 Days and Over	260,000	334,000
Total Past Due	497,000	983,000
Current	13,204,000	12,765,000
Total Loans Receivable	13,701,000	13,748,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	260,000	334,000
Subsequent default number of contracts	1
Payment default within the twelve month period	85,000
Other Commercial and Industrial [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	2,563,000	1,279,000
60 to 89 Days Past Due	1,027,000	85,000
90 Days and Over	464,000	598,000
Total Past Due	4,054,000	1,962,000
Current	28,983,000	29,515,000
Total Loans Receivable	33,037,000	31,477,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	464,000	598,000
Municipal [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	0	0
60 to 89 Days Past Due	0	0
90 Days and Over	0	0
Total Past Due	0	0
Current	4,968,000	3,588,000
Total Loans Receivable	4,968,000	3,588,000
Consumer Loans [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	250,000	233,000
60 to 89 Days Past Due	31,000	447,000
90 Days and Over	425,000	776,000
Total Past Due	706,000	1,456,000
Current	24,220,000	24,086,000
Total Loans Receivable	24,926,000	25,542,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	425,000	776,000
Home Equity and Junior Liens [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	178,000	207,000
60 to 89 Days Past Due	31,000	405,000
90 Days and Over	362,000	730,000
Total Past Due	571,000	1,342,000
Current	20,346,000	20,731,000
Total Loans Receivable	20,917,000	22,073,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	362,000	730,000
Subsequent default number of contracts	1
Payment default within the twelve month period	39,000
Other Consumer [Member]
Age analysis of past due loans receivable [Abstract]
30 to 59 Days Past Due	72,000	26,000
60 to 89 Days Past Due	0	42,000
90 Days and Over	63,000	46,000
Total Past Due	135,000	114,000
Current	3,874,000	3,355,000
Total Loans Receivable	4,009,000	3,469,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	$ 63,000	$ 46,000