Borrowed Funds (Narrative)(Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Debt Instrument [Line Items]
Pledged Assets Separately Reported, Securities Pledged for Repurchase Agreements, at Fair Value	56,900,000
FHLB advances secured by loans receivable	154,500,000
FHLB advances secured by investment securities	5,370,000
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available	381,000,000
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	23,900,000
Secured Debt	48,000,000
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	16,000,000
Federal Reserve Bank Advances [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	36,000,000
Repurchase Agreements [Member]
Debt Instrument [Line Items]
Long-term Debt, Description	Repurchase Agreements - The Bank has retail repurchase agreements with customers within its local market areas. Repurchase agreements generally have maturities of one to four days from the transaction date. These borrowings are collateralized with securities that we own and are held in safekeeping at independent correspondent banks.
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Long-term Debt, Description	FHLB Advances - The FHLB advances consist of various borrowings with maturities generally ranging from five to 10 years with initial fixed rate periods of one, two or three years. After the initial fixed rate period, the FHLB has one or more options to convert each advance to a LIBOR based, variable rate advance, but the Bank may repay the advance in whole or in part, without a penalty, if the FHLB exercises its option. At all other times, the Bank's early repayment of any advance could be subject to a prepayment penalty