Income Taxes (Temporary Differences Effect on Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses	$ 1,967	$ 2,820
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses	4,040	3,810
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits	64	13
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross		1,154
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions	2,473	2,150
Deferred Tax Assets, Other	454	512
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax		854
Deferred Tax Assets, Operating Loss Carryforwards, State and Local		373
Deferred Tax Assets, Gross, Total	9,129	11,896
Deferred Tax Liabilities Depreciation	294	303
Deferred Tax Liabilities Market Discount Accretion	148	43
Deferred Tax Liabilities Deferred Loan Costs Net Of Fees	330	397
Deferred Tax Liabilities Purchase Accounting	608	40
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	5,675
Deferred Tax Liabilities, Gross, Total	7,055	783
Deferred Tax Assets, Net, Total	2,074	11,113
State and Local Jurisdiction [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	$ 131	$ 210