5. Loans, Allowance for Loan Losses and Credit Quality (Details 5) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended		3 Months Ended	12 Months Ended
	Jun. 30, 2012 integer	Jun. 30, 2012 integer	Dec. 31, 2012 integer	Jun. 30, 2013 Residential Real Estate Jr Lien integer	Jun. 30, 2013 Residential Real Estate Jr Lien integer	Jun. 30, 2012 Commercial Real Estate integer	Jun. 30, 2012 Commercial Real Estate integer	Jun. 30, 2012 Residential real estate - 1st lien integer	Jun. 30, 2012 Residential Real Estate 1st Lien integer	Dec. 31, 2012 Commercial Real Estate integer	Dec. 31, 2012 Residential Real Estate 1st Lien integer
Number of Contracts modified as TDRs	1	4	5	1	1	0	2	2	1	2	3
Pre-Modification Outstanding Recorded Investment	$ 23,944	$ 1,177,946	$ 1,230,886	$ 23,425	$ 23,425	$ 0	$ 1,030,645	$ 147,301	$ 23,944	$ 1,030,645	$ 200,241
Post- Modification Outstanding Recorded Investment	$ 27,336	$ 1,182,864	$ 1,236,233	$ 23,425	$ 23,425	$ 0	$ 1,030,645	$ 152,219	$ 27,336	$ 1,030,645	$ 205,588