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Subordinated Deferrable Interest Debentures Issued and Outstanding (Detail) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Subordinated Borrowing [Line Items]    
Subordinated Deferrable Interest Debenture, Amount Outstanding $ 12,000,000 $ 12,000,000
Provident Community Bancshares Capital Trust I
   
Subordinated Borrowing [Line Items]    
Subordinated Deferrable Interest Debenture, Amount Outstanding 4,000,000 4,000,000
Subordinated Deferrable Interest Debenture Rate 2.05%  
Subordinated Deferrable Interest Debenture Maturity date Oct. 01, 2036  
Subordinated Deferrable Interest Debenture Distribution Payment Frequency Quarterly  
Provident Community Bancshares Capital Trust II
   
Subordinated Borrowing [Line Items]    
Subordinated Deferrable Interest Debenture, Amount Outstanding $ 8,000,000 $ 8,000,000
Subordinated Deferrable Interest Debenture Rate 2.03%  
Subordinated Deferrable Interest Debenture Maturity date Mar. 01, 2037  
Subordinated Deferrable Interest Debenture Distribution Payment Frequency Quarterly