Borrowed Funds (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available	146.0
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Due Date, Earliest	2013
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Due Date, Last	2019
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Weighted Average Interest Rate	3.45%
Long-term Debt, Weighted Average Interest Rate	5.90%
Maximum [Member]
FHLB advances maturity range in years	8
Minimum [Member]
FHLB advances maturity range in years	1