Loans (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Credit Quality Indicators
Total loans	$ 367,134	$ 328,199
Commercial loans
Credit Quality Indicators
Total loans	161,322	145,013
Commercial loans | Loans rated 1 -5
Credit Quality Indicators
Total loans	147,392	133,125
Commercial loans | Loans rated 5.5
Credit Quality Indicators
Total loans	8,816	5,519
Commercial loans | Loans rated 6
Credit Quality Indicators
Total loans	586	1,007
Commercial loans | Loans rated 7
Credit Quality Indicators
Total loans	4,136	5,203
Commercial loans | Loans rated 8
Credit Quality Indicators
Total loans	392	159
Commercial loans | Commercial real estate
Credit Quality Indicators
Total loans	100,275	91,609
Commercial loans | Commercial real estate | Loans rated 1 -5
Credit Quality Indicators
Total loans	95,966	88,578
Commercial loans | Commercial real estate | Loans rated 5.5
Credit Quality Indicators
Total loans	3,121	2,858
Commercial loans | Commercial real estate | Loans rated 6
Credit Quality Indicators
Total loans	82
Commercial loans | Commercial real estate | Loans rated 7
Credit Quality Indicators
Total loans	1,106	173
Commercial loans | Commercial business
Credit Quality Indicators
Total loans	7,539	8,301
Commercial loans | Commercial business | Loans rated 1 -5
Credit Quality Indicators
Total loans	7,468	7,898
Commercial loans | Commercial business | Loans rated 5.5
Credit Quality Indicators
Total loans		168
Commercial loans | Commercial business | Loans rated 7
Credit Quality Indicators
Total loans	71	235
Commercial loans | Commercial construction
Credit Quality Indicators
Total loans	9,124	7,099
Commercial loans | Commercial construction | Loans rated 1 -5
Credit Quality Indicators
Total loans	5,220	5,926
Commercial loans | Commercial construction | Loans rated 5.5
Credit Quality Indicators
Total loans	3,600
Commercial loans | Commercial construction | Loans rated 7
Credit Quality Indicators
Total loans	304	1,173
Commercial loans | SBA
Credit Quality Indicators
Total loans	44,384	38,004
Commercial loans | SBA | Loans rated 1 -5
Credit Quality Indicators
Total loans	38,738	30,723
Commercial loans | SBA | Loans rated 5.5
Credit Quality Indicators
Total loans	2,095	2,493
Commercial loans | SBA | Loans rated 6
Credit Quality Indicators
Total loans	504	1,007
Commercial loans | SBA | Loans rated 7
Credit Quality Indicators
Total loans	2,655	3,622
Commercial loans | SBA | Loans rated 8
Credit Quality Indicators
Total loans	$ 392	$ 159