Long-term Debt (Long-term Debt by Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Long-Term Debt, Maximum Borrowing Capacity	$ 216,209
Loans maturing in 2013 with rates ranging from 3.24% to 4.75%	14,189	14,213
Loans maturing in 2015 at a rate of 4.18%	5,000	5,000
Loans maturing in 2026 at a rate of 4.80%	3,245	3,409
Loans maturing in 2027 at a rate of 6.71%	76	79
Total Long-Term Debt	22,510	22,701
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate, Two to Three Years from Balance Sheet Date	4.18%
Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Fourteen Years From Balance Sheet Date	4.80%
Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Fifteen Years From Balance Sheet Date	6.71%
Long-Term Debt, Aggregate Amounts Due, 2013	14,365
Long-Term Debt, Aggregate Amounts Due, 2014	184
Long-Term Debt, Aggregate Amounts Due, 2015	5,193
Long-Term Debt, Aggregate Amounts Due, 2016	203
Long-Term Debt, Aggregate Amounts Due, 2017	213
Long-Term Debt, Aggregate Amounts Due, Thereafter	$ 2,352
Minimum [Member]
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due within One Year of Balance Sheet Date	3.24%
Maximum [Member]
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due within One Year of Balance Sheet Date	4.75%