Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Summary of Significant Accounting Policies [Abstract]
Percentage of loan portfolio concentrated in loans secured by real estate (in hundredths)	85.00%
Allowance for loan losses	$ 3,422
Income Taxes [Abstract]
Probability of uncertain tax positions of being realized upon settlement, minimum (in hundredths)	50.00%
Banking Premises [Member]
Property, Plant and Equipment [Line Items]
Methods	Straight-Line and Accelerated
Banking Premises [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful lives of the assets	15 years
Banking Premises [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful lives of the assets	40 years
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Methods	Straight-Line and Accelerated
Furniture and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful lives of the assets	5 years
Furniture and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful lives of the assets	10 years