Loans (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Risk rated loans	$ 87,237	$ 91,521
Residential real estate - Closed-end first mortgages
Risk rated loans	29,306	27,275
Residential real estate - Closed-end first mortgages | Pass
Risk rated loans	21,678	18,588
Residential real estate - Closed-end first mortgages | OLEM (Other Loans Especially Mentioned)
Risk rated loans	2,919	3,686
Residential real estate - Closed-end first mortgages | Substandard
Risk rated loans	4,709	5,001
Residential real estate - Closed-end first mortgages | Doubtful
Risk rated loans		0
Residential real estate - Closed-end first mortgages | Loss
Risk rated loans		0
Residential real estate - Closed-end first mortgages | Consumer Credit Score [Member]
Risk rated loans	29,306	27,275
Residential real estate - Closed-end second mortgages
Risk rated loans	3,124	3,159
Residential real estate - Closed-end second mortgages | Pass
Risk rated loans	3,124	3,159
Residential real estate - Closed-end second mortgages | OLEM (Other Loans Especially Mentioned)
Risk rated loans		0
Residential real estate - Closed-end second mortgages | Substandard
Risk rated loans		0
Residential real estate - Closed-end second mortgages | Doubtful
Risk rated loans		0
Residential real estate - Closed-end second mortgages | Loss
Risk rated loans		0
Residential real estate - Closed-end second mortgages | Consumer Credit Score [Member]
Risk rated loans	3,124	3,159
Residential real estate
Risk rated loans	32,430	30,434
Residential real estate | Pass
Risk rated loans	24,802	21,747
Residential real estate | OLEM (Other Loans Especially Mentioned)
Risk rated loans	2,919	3,686
Residential real estate | Substandard
Risk rated loans	4,709	5,001
Residential real estate | Doubtful
Risk rated loans		0
Residential real estate | Loss
Risk rated loans		0
Residential real estate | Consumer Credit Score [Member]
Risk rated loans	32,430	30,434
Multi-family real estate
Risk rated loans	4,182	4,109
Multi-family real estate | Pass
Risk rated loans	4,182	4,109
Multi-family real estate | OLEM (Other Loans Especially Mentioned)
Risk rated loans		0
Multi-family real estate | Substandard
Risk rated loans		0
Multi-family real estate | Doubtful
Risk rated loans		0
Multi-family real estate | Loss
Risk rated loans		0
Multi-family real estate | Consumer Credit Score [Member]
Risk rated loans	4,182	4,109
Commercial real estate - Owner occupied
Risk rated loans	12,006	12,513
Commercial real estate - Owner occupied | Pass
Risk rated loans	9,949	10,132
Commercial real estate - Owner occupied | OLEM (Other Loans Especially Mentioned)
Risk rated loans	1,979	2,012
Commercial real estate - Owner occupied | Substandard
Risk rated loans	78	369
Commercial real estate - Owner occupied | Doubtful
Risk rated loans		0
Commercial real estate - Owner occupied | Loss
Risk rated loans		0
Commercial real estate - Owner occupied | Consumer Credit Score [Member]
Risk rated loans	12,006	12,513
Commercial real estate - Non owner occupied
Risk rated loans	27,215	28,794
Commercial real estate - Non owner occupied | Pass
Risk rated loans	12,235	10,822
Commercial real estate - Non owner occupied | OLEM (Other Loans Especially Mentioned)
Risk rated loans	1,125	2,764
Commercial real estate - Non owner occupied | Substandard
Risk rated loans	13,855	15,208
Commercial real estate - Non owner occupied | Doubtful
Risk rated loans		0
Commercial real estate - Non owner occupied | Loss
Risk rated loans		0
Commercial real estate - Non owner occupied | Consumer Credit Score [Member]
Risk rated loans	27,215	28,794
Commercial real estate
Risk rated loans	39,221	41,307
Commercial real estate | Pass
Risk rated loans	22,184	20,954
Commercial real estate | OLEM (Other Loans Especially Mentioned)
Risk rated loans	3,104	4,776
Commercial real estate | Substandard
Risk rated loans	13,933	15,577
Commercial real estate | Doubtful
Risk rated loans		0
Commercial real estate | Loss
Risk rated loans		0
Commercial real estate | Consumer Credit Score [Member]
Risk rated loans	39,221	41,307
Land and construction
Risk rated loans	7,323	11,783
Land and construction | Pass
Risk rated loans	6,369	4,493
Land and construction | OLEM (Other Loans Especially Mentioned)
Risk rated loans	49	49
Land and construction | Substandard
Risk rated loans	905	7,241
Land and construction | Doubtful
Risk rated loans		0
Land and construction | Loss
Risk rated loans		0
Land and construction | Consumer Credit Score [Member]
Risk rated loans	7,323	11,783
Commercial
Risk rated loans	3,959	3,713
Commercial | Pass
Risk rated loans	3,959	3,713
Commercial | OLEM (Other Loans Especially Mentioned)
Risk rated loans		0
Commercial | Substandard
Risk rated loans		0
Commercial | Doubtful
Risk rated loans		0
Commercial | Loss
Risk rated loans		0
Commercial | Consumer Credit Score [Member]
Risk rated loans	3,959	3,713
Consumer
Risk rated loans	123	175
Consumer | Pass
Risk rated loans	123	107
Consumer | OLEM (Other Loans Especially Mentioned)
Risk rated loans		68
Consumer | Substandard
Risk rated loans		0
Consumer | Doubtful
Risk rated loans		0
Consumer | Loss
Risk rated loans		0
Consumer | Consumer Credit Score [Member]
Risk rated loans	123	175
Total | Pass
Risk rated loans	61,619	55,123
Total | OLEM (Other Loans Especially Mentioned)
Risk rated loans	6,072	8,579
Total | Substandard
Risk rated loans	19,547	27,819
Total | Doubtful
Risk rated loans		0
Total | Loss
Risk rated loans		$ 0