Fair Value (Quantitative Information About Significant Unobservable Inputs Used In Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Percentage Of Adjusted Specific Issuer Evaluation Defaults		50.00%
Percentage Of Adjusted Specific Issuer Evaluation Recoveries		25.00%
Percentage of illiquid local municipality issuance owned carried at par	100.00%
Pooled Trust Preferred Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	8,460	8,460
Valuation Techniques		Discounted cash flow
Constant prepayment rate		0.00%	[1]
States And Political Subdivisions [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	989	989
Valuation Techniques		Discounted cash flow
Commercial [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	21,450	21,450
Valuation Techniques		Fair value of collateral
Commercial Real Estate Segment [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	20,205	20,205
Valuation Techniques		Fair value of collateral
Commercial Real Estate Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	31,292	31,292
Valuation Techniques		Fair value of collateral
Residentital Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	1,290	1,290
Valuation Techniques		Fair value of collateral
Repossessed Personal Property Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	353	353
Valuation Techniques		Fair value of collateral
Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Percentage Of Adjusted Specific Issuer Evaluation Defaults		0.00%
Minimum [Member] | Pooled Trust Preferred Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Additional asset defaults		1.00%	[2]
Expected asset recoveries		3.00%	[3]
Percentage Of Adjusted Specific Issuer Evaluation Recoveries		0.00%
Minimum [Member] | Commercial [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		0.00%
Minimum [Member] | Commercial Real Estate Segment [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		10.00%
Minimum [Member] | Commercial Real Estate Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		10.00%
Minimum [Member] | Residentital Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		10.00%
Minimum [Member] | Repossessed Personal Property Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		0.00%
Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Percentage Of Adjusted Specific Issuer Evaluation Defaults		100.00%
Maximum [Member] | Pooled Trust Preferred Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Additional asset defaults		32.00%	[2]
Expected asset recoveries		21.00%	[3]
Percentage Of Adjusted Specific Issuer Evaluation Recoveries		100.00%
Maximum [Member] | Commercial [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		50.00%
Maximum [Member] | Commercial Real Estate Segment [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		40.00%
Maximum [Member] | Commercial Real Estate Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		40.00%
Maximum [Member] | Residentital Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		45.00%
Maximum [Member] | Repossessed Personal Property Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		25.00%
Weighted Average [Member] | Pooled Trust Preferred Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Additional asset defaults		8.00%	[2]
Expected asset recoveries		14.00%	[3]
Weighted Average [Member] | Commercial [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		25.00%
Weighted Average [Member] | Commercial Real Estate Segment [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		25.00%
Weighted Average [Member] | Commercial Real Estate Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		25.00%
Weighted Average [Member] | Residentital Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		25.00%
Weighted Average [Member] | Repossessed Personal Property Foreclosed Assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount for type of property, age of appraisal and current status		15.00%

[1] Assuming no prepayments.

[2] Each currently performing pool asset is assigned a default probability based on the banking environment, which is adjusted for specific issuer evaluation, of 0%, 50% or 100%

[3] Each currently defaulted pool asset is assigned a recovery probability based on specific issuer evaluation of 0%, 25% or 100%.