Loans (Schedule Of Commercial And Residential Loan Portfolio By Internal Risk Rating) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]    
Loans $ 561,476 $ 582,395
Commercial Loan Portfolio [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 429,741 433,186
Commercial Loan Portfolio [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 9,776 13,783
Commercial Loan Portfolio [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 51,205 53,468
Commercial Loan Portfolio [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 177,329 155,121
Commercial Loan Portfolio [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 110,508 97,542
Commercial Loan Portfolio [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 27,378 44,272
Commercial Loan Portfolio [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 52,620 69,000
Commercial Loan Portfolio [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 925  
Commercial [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 58,444 63,982
Closed End [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 24,716 31,856
Closed End [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,019 716
Closed End [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,610 2,938
Closed End [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 7,871 12,989
Closed End [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 9,051 10,405
Closed End [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 461 3,374
Closed End [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 3,704 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 33,728 32,126
Line of Credit [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 288 449
Line of Credit [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 8,914 7,708
Line of Credit [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 10,613 13,533
Line of Credit [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 8,813 5,322
Line of Credit [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 3,864 3,892
Line of Credit [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,236 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 42,371 39,128
Agriculture & AGRE [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 4,498 4,833
Agriculture & AGRE [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 14,682 15,649
Agriculture & AGRE [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 15,463 14,323
Agriculture & AGRE [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 7,602 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 126 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 32,431 42,008
Construction, Land & Development [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 116 3,649
Construction, Land & Development [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 1,064 1,034
Construction, Land & Development [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,306 1,566
Construction, Land & Development [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 11,494 6,200
Construction, Land & Development [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,050 5,497
Construction, Land & Development [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 14,476 24,062
Construction, Land & Development [Member] | Internal Risk Rating 8 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 925  
Commercial Real Estate [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 296,495 288,068
Owner Occupied [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 133,713 131,611
Owner Occupied [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 3,230 3,489
Owner Occupied [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 10,248 8,971
Owner Occupied [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 78,495 68,045
Owner Occupied [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 18,726 20,518
Owner Occupied [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 7,060 10,868
Owner Occupied [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 15,954 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 162,782 156,457
Non-owner Occupied [Member] | Internal Risk Rating 1 - 2 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 625 647
Non-owner Occupied [Member] | Internal Risk Rating 3 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 13,687 17,168
Non-owner Occupied [Member] | Internal Risk Rating 4 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 62,581 44,665
Non-owner Occupied [Member] | Internal Risk Rating 5 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 54,822 51,580
Non-owner Occupied [Member] | Internal Risk Rating 6 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 13,943 19,900
Non-owner Occupied [Member] | Internal Risk Rating 7 [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 17,124 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 129,245 146,767
Retail Residential Loan Portfolio [Member] | Unrated [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 116,202 133,467
Retail Residential Loan Portfolio [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 3,523 1,811
Retail Residential Loan Portfolio [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 9,520 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 129,245 146,767
Senior Lien [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 79,696 95,204
Senior Lien [Member] | Unrated [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 68,285 83,969
Senior Lien [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 2,580 907
Senior Lien [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 8,831 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 49,549 51,563
Junior Liens & Lines Of Credit [Member] | Unrated [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 47,917 49,498
Junior Liens & Lines Of Credit [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 943 904
Junior Liens & Lines Of Credit [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans 689 1,161
Junior Liens & Lines Of Credit [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans