Loans (Schedule Of Commercial And Residential Loan Portfolio By Internal Risk Rating) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]    
Loans $ 567,908 $ 582,395
Commercial Loan Portfolio [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 435,120 433,186
Commercial Loan Portfolio [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 9,027 13,783
Commercial Loan Portfolio [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 48,209 53,468
Commercial Loan Portfolio [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 176,951 155,121
Commercial Loan Portfolio [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 114,882 97,542
Commercial Loan Portfolio [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 30,184 44,272
Commercial Loan Portfolio [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 55,867 69,000
Commercial Loan Portfolio [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans     
Commercial [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 62,697 63,982
Closed End [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 28,943 31,856
Closed End [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 584 716
Closed End [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,532 2,938
Closed End [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 12,218 12,989
Closed End [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 9,513 10,405
Closed End [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,357 3,374
Closed End [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,739 1,434
Closed End [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans     
Line of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 33,754 32,126
Line of Credit [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 450 449
Line of Credit [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 5,973 7,708
Line of Credit [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 12,416 13,533
Line of Credit [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 9,809 5,322
Line of Credit [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 3,890 3,892
Line of Credit [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,216 1,222
Line of Credit [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans     
Agriculture & AGRE [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 38,418 39,128
Agriculture & AGRE [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 3,941 4,833
Agriculture & AGRE [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 13,897 15,649
Agriculture & AGRE [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 14,491 14,323
Agriculture & AGRE [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 6,004 3,517
Agriculture & AGRE [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans   741
Agriculture & AGRE [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 85 65
Agriculture & AGRE [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans     
Construction, Land & Development [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 35,618 42,008
Construction, Land & Development [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 117 3,649
Construction, Land & Development [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,616 1,034
Construction, Land & Development [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,274 1,566
Construction, Land & Development [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 11,972 6,200
Construction, Land & Development [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,299 5,497
Construction, Land & Development [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 18,340 24,062
Construction, Land & Development [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans     
Commercial Real Estate [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 298,387 288,068
Owner Occupied [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 131,193 131,611
Owner Occupied [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 3,302 3,489
Owner Occupied [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 10,362 8,971
Owner Occupied [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 73,887 68,045
Owner Occupied [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 17,770 20,518
Owner Occupied [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 10,087 10,868
Owner Occupied [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 15,785 19,720
Owner Occupied [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans     
Non-owner Occupied [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 167,194 156,457
Non-owner Occupied [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 633 647
Non-owner Occupied [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 13,829 17,168
Non-owner Occupied [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 62,665 44,665
Non-owner Occupied [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 59,814 51,580
Non-owner Occupied [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 12,551 19,900
Non-owner Occupied [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 17,702 22,497
Non-owner Occupied [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans     
Retail Residential Loan Portfolio [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 130,252 146,767
Retail Residential Loan Portfolio [Member] | Unrated [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 118,745 133,467
Retail Residential Loan Portfolio [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,165 1,811
Retail Residential Loan Portfolio [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 9,342 11,174
Retail Residential Loan Portfolio [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans    315
1-4 Family Residential [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 130,252 146,767
Senior Lien [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 81,053 95,204
Senior Lien [Member] | Unrated [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 71,257 83,969
Senior Lien [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,297 907
Senior Lien [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 8,499 10,013
Senior Lien [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans    315
Junior Liens & Lines Of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 49,199 51,563
Junior Liens & Lines Of Credit [Member] | Unrated [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 47,488 49,498
Junior Liens & Lines Of Credit [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 868 904
Junior Liens & Lines Of Credit [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 843 1,161
Junior Liens & Lines Of Credit [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans