Loans and Allowance for Loan Losses (Details 10) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Recorded investment by risk category of loans by class of loans
Total	$ 145,048	$ 153,424
Commercial [Member]
Recorded investment by risk category of loans by class of loans
Total	39,037	34,099
Commercial real estate [Member]
Recorded investment by risk category of loans by class of loans
Total	106,011	119,325
Prime [Member]
Recorded investment by risk category of loans by class of loans
Total	7,718	3,411
Prime [Member] | Commercial [Member]
Recorded investment by risk category of loans by class of loans
Total	6,841	3,411
Prime [Member] | Commercial real estate [Member]
Recorded investment by risk category of loans by class of loans
Total	877	0
Pass [Member]
Recorded investment by risk category of loans by class of loans
Total	109,703	104,915
Pass [Member] | Commercial [Member]
Recorded investment by risk category of loans by class of loans
Total	28,830	25,006
Pass [Member] | Commercial real estate [Member]
Recorded investment by risk category of loans by class of loans
Total	80,873	79,909
Watch [Member]
Recorded investment by risk category of loans by class of loans
Total	12,719	16,433
Watch [Member] | Commercial [Member]
Recorded investment by risk category of loans by class of loans
Total	1,627	1,850
Watch [Member] | Commercial real estate [Member]
Recorded investment by risk category of loans by class of loans
Total	11,092	14,583
Substandard [Member]
Recorded investment by risk category of loans by class of loans
Total	14,908	28,665
Substandard [Member] | Commercial [Member]
Recorded investment by risk category of loans by class of loans
Total	1,739	3,832
Substandard [Member] | Commercial real estate [Member]
Recorded investment by risk category of loans by class of loans
Total	$ 13,169	$ 24,833