Loans, Credit Quality Indicator Details (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 338,517	$ 333,294
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	319,754	314,771
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	3,536	3,523
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	14,605	14,815
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	622	185
Residential Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	178,189	176,610
Residential Mortgage Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	170,552	169,456
Residential Mortgage Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,177	1,323
Residential Mortgage Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	6,432	5,831
Residential Mortgage Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	28	0
1-4 Family First Lien Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	177,411	173,955
1-4 Family First Lien Residential Mortgage [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	169,774	166,801
1-4 Family First Lien Residential Mortgage [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,177	1,323
1-4 Family First Lien Residential Mortgage [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	6,432	5,831
1-4 Family First Lien Residential Mortgage [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	28	0
Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	778	2,655
Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	778	2,655
Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	135,133	131,142
Commercial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	126,087	122,038
Commercial Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	2,225	1,922
Commercial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	6,338	7,072
Commercial Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	483	110
Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	84,308	82,329
Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	78,694	76,719
Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,429	1,685
Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	4,002	3,925
Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	183	0
Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	13,461	13,748
Lines of Credit [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	11,868	12,026
Lines of Credit [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	396	0
Lines of Credit [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,197	1,647
Lines of Credit [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	75
Other Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	32,826	31,477
Other Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	30,987	29,705
Other Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	400	237
Other Commercial and Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,139	1,500
Other Commercial and Industrial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	300	35
Municipal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	4,538	3,588
Municipal [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	4,538	3,588
Municipal [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Municipal [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Municipal [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	25,195	25,542
Consumer Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	23,115	23,277
Consumer Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	134	278
Consumer Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,835	1,912
Consumer Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	111	75
Home Equity and Junior Liens [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	21,552	22,073
Home Equity and Junior Liens [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	19,600	20,078
Home Equity and Junior Liens [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	85	145
Home Equity and Junior Liens [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,780	1,801
Home Equity and Junior Liens [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	87	49
Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	3,643	3,469
Other Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	3,515	3,199
Other Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	49	133
Other Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	55	111
Other Consumer [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 24	$ 26