Loans Receivable, Classes of Loan Portfolio within the Internal Risk Grading System (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 661,648,000	$ 681,959,000
Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	309,904,000	309,461,000
Construction Acquisition and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	81,418,000	84,325,000
Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	30,043,000	30,426,000
Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	17,651,000	19,251,000
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	185,367,000	198,539,000
Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	10,042,000	10,167,000
Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	26,233,000	28,750,000
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	990,000	1,040,000
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	618,740,000	642,479,000
Pass [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	291,830,000	295,589,000
Pass [Member] | Construction Acquisition and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	79,780,000	82,778,000
Pass [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	29,903,000	30,285,000
Pass [Member] | Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	14,486,000	16,112,000
Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	168,981,000	181,686,000
Pass [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	9,421,000	9,275,000
Pass [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	23,404,000	25,769,000
Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	935,000	985,000
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	12,763,000	11,619,000
Special Mention [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,825,000	1,331,000
Special Mention [Member] | Construction Acquisition and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Special Mention [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Special Mention [Member] | Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,449,000	2,479,000
Special Mention [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	6,868,000	7,172,000
Special Mention [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	621,000	637,000
Special Mention [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Special Mention [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	30,145,000	27,861,000
Substandard [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	15,249,000	12,541,000
Substandard [Member] | Construction Acquisition and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,638,000	1,547,000
Substandard [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	140,000	141,000
Substandard [Member] | Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	716,000	660,000
Substandard [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	9,518,000	9,681,000
Substandard [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	255,000
Substandard [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,829,000	2,981,000
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	55,000	55,000
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Construction Acquisition and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Doubtful [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 0	$ 0