Loans and the Allowance for Credit Losses (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013 Contract Segment Loan	Dec. 31, 2012
Loans and Allowance for Credit Losses (Additional Textual) [Abstract]
Net of deferred loan fees and costs	$ 2,400,000	$ 2,500,000
Trouble Debt Restructuring Threshold	1,000,000
Past due loans excluded TDRs past due and accruing	90 days
Non-accrual status period	90 days
Acquisition value of impaired loans in Fidelity acquisition	16,600,000
Fair value of impaired loans in Fidelity acquisition	11,200,000
Fair value of acquired impaired loans		7,300,000
Sale of Impaired Loan	3,800,000
Balance of non-accrual loans	1,800,000
Balance of accruing TDRs	2,000,000
Accretable difference of future earnings	600,000
Number of restructured contracts greater than $1 million	3
Value of restructured contracts greater than $1 million	4,800,000
Percentage of Total TDRs	12.90%
Number of commercial real estate land and construction loans	1
Number of commercial real estate improved property	2
Accruing and non accrual TDR permitted interest only payment period	3 months
Percentage of TDRs defaulted during the period that were restructured within the last twelve months	7.80%
Discharged in bankruptcy accruing and non accrual TDR balance	9,400,000
Loans with Accruing interest	1
Unfunded commitments to debtors	21,000	49,000
Substandard [Member]
Loans and the Allowance for Credit Losses (Textual) [Abstract]
Aggregate amount of residential real estate, home equity and consumer loans classified as substandard	15,600,000	17,900,000
Internally assigned loan grades to residential real estate, home equity and consumer loans	3,600,000	4,900,000
Specific reserves [Member]
Loans and the Allowance for Credit Losses (Textual) [Abstract]
Specific reserve on largest TDRs	$ 1,200,000