Significant Accounting Policies (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Significant Accounting Policies [Abstract]
Number of days for accrual of interest on the payment of principal or interest	90 days
Foreclosed real estate, net of allowance	$ 3,440,000	$ 3,633,000
Period of time in which loans are restored to accrual status	6 months
Rolling average of net charge-offs, period	2 years
Period of time nonaccrual Troubled Debt Restructurings are restored to accrual status after performance in accordance with modified terms	6 months