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Document And Entity Information
6 Months Ended
Jun. 30, 2011
Aug. 08, 2011
Document And Entity Information    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2011
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2011  
Entity Registrant Name SUSSEX BANCORP  
Entity Central Index Key 0001028954  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   3,373,385