Credit Quality (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Credit Quality Indicators
Loans	$ 345,637	$ 317,504
Commercial and Industrial [Member]
Credit Quality Indicators
Loans	125,309	112,300
Commercial and Industrial [Member] | Pass-1-4 [Member]
Credit Quality Indicators
Loans	104,963	90,516
Commercial and Industrial [Member] | Vulnerable-5 [Member]
Credit Quality Indicators
Loans	11,195	12,240
Commercial and Industrial [Member] | Substandard-6 [Member]
Credit Quality Indicators
Loans	9,151	9,544
Commercial and Industrial [Member] | Doubtful-7 [Member]
Credit Quality Indicators
Loans	0	0
Commercial and Industrial [Member] | Loss-8 [Member]
Credit Quality Indicators
Loans	0	0
Commercial Real Estate [Member]
Credit Quality Indicators
Loans	107,498	111,417
Commercial Real Estate [Member] | Pass-1-4 [Member]
Credit Quality Indicators
Loans	76,539	76,708
Commercial Real Estate [Member] | Vulnerable-5 [Member]
Credit Quality Indicators
Loans	13,704	12,289
Commercial Real Estate [Member] | Substandard-6 [Member]
Credit Quality Indicators
Loans	17,255	22,420
Commercial Real Estate [Member] | Doubtful-7 [Member]
Credit Quality Indicators
Loans	0	0
Commercial Real Estate [Member] | Loss-8 [Member]
Credit Quality Indicators
Loans	$ 0	$ 0