Quarterly report pursuant to Section 13 or 15(d)

BORROWINGS (Narrative) (Details)

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BORROWINGS (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Remaining available balance $ 97,000,000   $ 97,000,000   $ 87,000,000
Securities pledged as collateral for FHLB advances 807,400,000   807,400,000   802,200,000
Principal     58,500,000    
Three-month LIBOR rate plus 1.50%   1.50%    
Prepayment penalty     19,600,000    
Amortization expense 433,000 0 859,000 0  
Collateral dependent line of credit with the FHLB 1,100,000,000   1,100,000,000   1,000,000,000
Acquisitions, Prior To 2006 [Member]
         
Number of bank acquisitions     2    
Subordinated debt interest rate basis     LIBOR plus 1.45%    
Three-month LIBOR rate plus 1.45%   1.45%    
Subordinated debt maturity date     Apr. 01, 2016    
Subordinated debt $ 16,100,000   $ 16,100,000