Allowance for Loan Losses (Details Textual) (USD $)	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Allowance for Loan Losses (Additional Textual) [Abstract]
Past due decreased by percentage	30.50%
Allowance for Loan Losses (Textual) [Abstract]
Condition for considering loan as past due	If the required principal and interest payments have not been received as of the date such payments were due
Condition for considering loan as non-accrual	when the loan is more than three payments past due as well as when required by regulatory provisions
Delinquent period of homogeneous loans monitored	More than 60 days
Doubtful loans	$ 0	$ 0
Significant increases in home values over the past five years	0
Condition for considering loan as impaired	Once it has gone over three payments or 90 days delinquent
Minimum period of valuation and adjustment of nonperforming and non-homogeneous collateral dependent loan	30 days
Maximum period of valuation and adjustment of nonperforming and non-homogeneous collateral dependent loan	180 days
Aggregate amount of past due decreased	16,700,000
Financing Receivable Recorded Investment Past Due [Member]
Allowance for Loan Losses (Additional Textual) [Abstract]
Past due loans	7,300,000
Residential, Subprime [Member]
Allowance for Loan Losses (Additional Textual) [Abstract]
Past due loans	$ 8,900,000
Minimum [Member]
Allowance for Loan Losses (Additional Textual) [Abstract]
Impaired Loans, Number of days for which the amount is due	90 days
Number of days past due following modification in a Troubled Debt Restructuring	60 days
Principal and interest amounts contractually due brought current period	6 months
Residential / subprime [Member]
Allowance for Loan Losses (Additional Textual) [Abstract]
Past due decreased by percentage	53.00%