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Fair Value Of Financial Instruments (Quantitative Information About Level 3 Fair Value Measurements) (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
Commercial Construction [Member]
Jun. 30, 2013
Commercial Construction [Member]
Appraisal Adjustments [Member]
Jun. 30, 2013
Commercial Construction [Member]
Disposal Costs [Member]
Jun. 30, 2013
Commercial Mortgage [Member]
Jun. 30, 2013
Commercial Mortgage [Member]
Disposal Costs [Member]
Jun. 30, 2013
Minimum [Member]
Commercial Construction [Member]
Appraisal Adjustments [Member]
Jun. 30, 2013
Minimum [Member]
Commercial Construction [Member]
Disposal Costs [Member]
Jun. 30, 2013
Minimum [Member]
Commercial Mortgage [Member]
Disposal Costs [Member]
Jun. 30, 2013
Maximum [Member]
Commercial Construction [Member]
Appraisal Adjustments [Member]
Jun. 30, 2013
Maximum [Member]
Commercial Construction [Member]
Disposal Costs [Member]
Jun. 30, 2013
Maximum [Member]
Commercial Mortgage [Member]
Disposal Costs [Member]
Jun. 30, 2013
Weighted Average [Member]
Commercial Construction [Member]
Appraisal Adjustments [Member]
Jun. 30, 2013
Weighted Average [Member]
Commercial Construction [Member]
Disposal Costs [Member]
Jun. 30, 2013
Weighted Average [Member]
Commercial Mortgage [Member]
Disposal Costs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                                
Impaired Loans Fair Value Disclosure $ 3,531 $ 6,823 $ 2,617 [1]     $ 914 [1]                    
Valuation Techniques     Appraisal of collateral (1)     Appraisal of collateral (1)                    
Unobservable Input       Appraisal adj. Disposal costs (2)   Disposal costs (2)                  
Discount Rate               (40.00%) [2] (7.00%) [2],[3] (13.00%) [2],[3] (10.00%) [2] (2.00%) [2],[3] (13.00%) [2],[3] (26.00%) [2] (5.00%) [2],[3] (13.00%) [2],[3]
[1] Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various level 3 inputs which are not identifiable.
[2] As of June 30, 2013 there is only 1 loan in the commercial mortgage loan type.
[3] Appraisals may be adjusted by management for qualitative factors and disposal costs. The range and weighted average of disposal costs are presented as a percent of the appraisal