Allowance for Loan Losses (Loans by class according to credit quality indicators) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Bank's loans by class according to credit quality indictors
Loans Receivable	$ 42,825	$ 41,502
Commercial and industrial [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	3,646	3,730
Commercial and industrial [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	379	379
Commercial and industrial [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,004	2,563
Commercial and industrial [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	453	117
Commercial and industrial [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	124	31
Commercial and industrial [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	404	414
Commercial and industrial [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	282	226
Commercial and industrial [Member] | Commercial [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,667	1,486
Commercial and industrial [Member] | Commercial [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	379	379
Commercial and industrial [Member] | Commercial [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	457	586
Commercial and industrial [Member] | Commercial [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	328
Commercial and industrial [Member] | Commercial [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	23	31
Commercial and industrial [Member] | Commercial [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	255	264
Commercial and industrial [Member] | Commercial [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	225	226
Commercial and industrial [Member] | SBA loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	129	235
Commercial and industrial [Member] | SBA loans [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial and industrial [Member] | SBA loans [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	31	130
Commercial and industrial [Member] | SBA loans [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable		56
Commercial and industrial [Member] | SBA loans [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	48
Commercial and industrial [Member] | SBA loans [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	50	49
Commercial and industrial [Member] | SBA loans [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial and industrial [Member] | Asset-based [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,850	2,009
Commercial and industrial [Member] | Asset-based [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial and industrial [Member] | Asset-based [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,516	1,847
Commercial and industrial [Member] | Asset-based [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	125	61
Commercial and industrial [Member] | Asset-based [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	53
Commercial and industrial [Member] | Asset-based [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	99	101
Commercial and industrial [Member] | Asset-based [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	57
Commercial real estate [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	32,361	30,197
Commercial real estate [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	25,708	24,731
Commercial real estate [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,066	3,076
Commercial real estate [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	167
Commercial real estate [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,420	2,390
Commercial real estate [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | SBA loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,217	476
Commercial real estate [Member] | SBA loans [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | SBA loans [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,215	471
Commercial real estate [Member] | SBA loans [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | SBA loans [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | SBA loans [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2	5
Commercial real estate [Member] | SBA loans [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Commercial mortgages [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	15,774	14,677
Commercial real estate [Member] | Commercial mortgages [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Commercial mortgages [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	13,579	13,118
Commercial real estate [Member] | Commercial mortgages [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	767	151
Commercial real estate [Member] | Commercial mortgages [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Commercial mortgages [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,428	1,408
Commercial real estate [Member] | Commercial mortgages [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Construction [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,068	1,391
Commercial real estate [Member] | Construction [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Construction [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,068	1,391
Commercial real estate [Member] | Construction [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Construction [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Construction [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Construction [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Religious organizations [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	13,302	13,653
Commercial real estate [Member] | Religious organizations [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Commercial real estate [Member] | Religious organizations [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	8,846	9,751
Commercial real estate [Member] | Religious organizations [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	3,299	2,925
Commercial real estate [Member] | Religious organizations [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	167
Commercial real estate [Member] | Religious organizations [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	990	977
Commercial real estate [Member] | Religious organizations [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Total Commercial Loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	36,007	33,927
Total Commercial Loans [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	379	379
Total Commercial Loans [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	27,712	27,294
Total Commercial Loans [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,519	3,193
Total Commercial Loans [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	291	31
Total Commercial Loans [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,824	2,804
Total Commercial Loans [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	282	226
Consumer real estate [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,951	5,586
Consumer real estate [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,613	5,141
Consumer real estate [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	338	445
Consumer real estate [Member] | Home equity loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,877	2,145
Consumer real estate [Member] | Home equity loans [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,766	2,039
Consumer real estate [Member] | Home equity loans [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	111	106
Consumer real estate [Member] | Home equity lines of credit [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	45	85
Consumer real estate [Member] | Home equity lines of credit [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	45	47
Consumer real estate [Member] | Home equity lines of credit [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable		38
Consumer real estate [Member] | 1-4 family residential mortgages [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	3,029	3,356
Consumer real estate [Member] | 1-4 family residential mortgages [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,802	3,055
Consumer real estate [Member] | 1-4 family residential mortgages [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	227	301
Consumer and other [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,867	1,989
Consumer and other [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,867	1,989
Consumer and other [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Consumer and other [Member] | Consumer installment [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	46	58
Consumer and other [Member] | Consumer installment [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	46	58
Consumer and other [Member] | Consumer installment [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Consumer and other [Member] | Student loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,658	1,761
Consumer and other [Member] | Student loans [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,658	1,761
Consumer and other [Member] | Student loans [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Consumer and other [Member] | Other [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	163	170
Consumer and other [Member] | Other [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	163	170
Consumer and other [Member] | Other [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable
Total Consumer Loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	6,818	7,575
Total Consumer Loans [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	6,480	7,130
Total Consumer Loans [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	$ 338	$ 445