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3. Loans (Details Narrative) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Loans Details Narrative      
Percentage of construction and land development loans in Bank's loan portfolio 12.00%    
Percentage of single-family residential loans in Bank's loan portfolio 40.00%    
Percentage of Single-family residential - Banco de la Gente stated income loans in Bank's loan portfolio 8.00%    
Percentage of commercial real estate loans in Bank's loan portfolio 32.00%    
Percentage of commercial loans in Bank's loan portfolio 11.00%    
Accruing impaired loans $ 26,800 $ 32,200 $ 30,600
Interest income recognized on accruing impaired loans 293 422 1,500
TDR loan amounts 21,696   23,937
Amount of performing TDR loans included $ 253   $ 2,000