Loans and Allowance for Loan Losses (Loans by class according to credit quality indicators) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Bank's loans by class according to credit quality indictors
Loans Receivable	$ 40,673	$ 41,502
Commercial and industrial [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	3,893	3,730
Commercial and industrial [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	250	379
Commercial and industrial [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,014	2,563
Commercial and industrial [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	883	117
Commercial and industrial [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	120	31
Commercial and industrial [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	233	414
Commercial and industrial [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	393	226
Commercial and industrial [Member] | Commercial [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,592	1,486
Commercial and industrial [Member] | Commercial [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	250	379
Commercial and industrial [Member] | Commercial [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	87	586
Commercial and industrial [Member] | Commercial [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	758
Commercial and industrial [Member] | Commercial [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	19	31
Commercial and industrial [Member] | Commercial [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	85	264
Commercial and industrial [Member] | Commercial [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	393	226
Commercial and industrial [Member] | SBA loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	127	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	30	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	49	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	2,174	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	1,897	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
Commercial real estate [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	30,139	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	23,539	24,731
Commercial real estate [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,018	3,076
Commercial real estate [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	164
Commercial real estate [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,101	2,390
Commercial real estate [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	317
Commercial real estate [Member] | SBA loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	628	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	628	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		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	14,415	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	12,266	13,118
Commercial real estate [Member] | Commercial mortgages [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	749	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	1,083	1,408
Commercial real estate [Member] | Commercial mortgages [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	317
Commercial real estate [Member] | Construction [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,530	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	1,899	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	631
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	12,566	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	8,746	9,751
Commercial real estate [Member] | Religious organizations [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	3,269	2,925
Commercial real estate [Member] | Religious organizations [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	164
Commercial real estate [Member] | Religious organizations [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	387	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	34,032	33,927
Total Commercial Loans [Member] | Good/Excellent [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	250	379
Total Commercial Loans [Member] | Satisfactory [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	25,553	27,294
Total Commercial Loans [Member] | Pass [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,901	3,193
Total Commercial Loans [Member] | Special Mention [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	284	31
Total Commercial Loans [Member] | Substandard [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	2,334	2,804
Total Commercial Loans [Member] | Doubtful [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	710	226
Consumer real estate [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,806	5,586
Consumer real estate [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	4,515	5,141
Consumer real estate [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	291	445
Consumer real estate [Member] | Home equity loans [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,469	2,145
Consumer real estate [Member] | Home equity loans [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,405	2,039
Consumer real estate [Member] | Home equity loans [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	64	106
Consumer real estate [Member] | Home equity lines of credit [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	26	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	26	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	3,311	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	3,084	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		1,989
Consumer and other [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable		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	38	58
Consumer and other [Member] | Consumer installment [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	38	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	1,630	1,761
Consumer and other [Member] | Student loans [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,630	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	1,835	170
Consumer and other [Member] | Other [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	1,835	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		7,575
Total Consumer Loans [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable		7,130
Total Consumer Loans [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable		445
Total Consumer Loans [Member] | Other [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	6,641
Total Consumer Loans [Member] | Other [Member] | Performing [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	6,350
Total Consumer Loans [Member] | Other [Member] | Nonperforming [Member]
Bank's loans by class according to credit quality indictors
Loans Receivable	$ 291