Loans and Allowance for Loan Losses - Analyses of past due loans segregated by loan type (Details 4) (Loans Receivable, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days		$ 1,176
Past due loans 60-89 Days	88	781
Past due loans Over 90 Days	1,618	2,907
Total Past Due	1,706	4,864
Current	262,104	284,560
Total loans	263,810	289,424	295,775
Under 90 Days and Not Accruing	1,144	3,536
Total 90 Days and Accruing
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days
Past due loans 60-89 Days
Past due loans Over 90 Days		49
Total Past Due		49
Current	12,010	13,241
Total loans	12,010	13,290	11,467
Under 90 Days and Not Accruing
Total 90 Days and Accruing
Owner Occupied 1-4
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days		184
Past due loans 60-89 Days	88	406
Past due loans Over 90 Days	4	107
Total Past Due	92	697
Current	45,950	47,848
Total loans	46,042	48,545	50,272
Under 90 Days and Not Accruing	658	862
Total 90 Days and Accruing
Non-owner Occupied 1-4
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days		291
Past due loans 60-89 Days		216
Past due loans Over 90 Days	1,244	2,124
Total Past Due	1,244	2,631
Current	48,166	48,040
Total loans	49,410	50,671	51,793
Under 90 Days and Not Accruing	470	543
Total 90 Days and Accruing
Multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days		700
Past due loans 60-89 Days		78
Past due loans Over 90 Days	70
Total Past Due	70	778
Current	50,416	62,045
Total loans	50,486	62,823	64,205
Under 90 Days and Not Accruing		76
Total 90 Days and Accruing
Commercial Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days
Past due loans 60-89 Days
Past due loans Over 90 Days	170	487
Total Past Due	170	487
Current	71,880	81,943
Total loans	72,050	82,430	87,506
Under 90 Days and Not Accruing	16	815
Total 90 Days and Accruing
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days
Past due loans 60-89 Days
Past due loans Over 90 Days
Total Past Due
Current	5,943	8,928
Total loans	5,943	8,928	7,131
Under 90 Days and Not Accruing
Total 90 Days and Accruing
Land
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days
Past due loans 60-89 Days		79
Past due loans Over 90 Days	130	140
Total Past Due	130	219
Current	9,823	4,966
Total loans	9,953	5,185	5,385
Under 90 Days and Not Accruing		1,238
Total 90 Days and Accruing
Consumer and Home Equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans 30-59 Days		1
Past due loans 60-89 Days		2
Past due loans Over 90 Days
Total Past Due		3
Current	17,916	17,549
Total loans	17,916	17,552	18,016
Under 90 Days and Not Accruing		2
Total 90 Days and Accruing