Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Balances of Commitments and Contingencies) (Details)

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COMMITMENTS AND CONTINGENCIES (Balances of Commitments and Contingencies) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Commitments with off-balance sheet risk:      
Total commitments with off-balance sheet risk $ 1,066,083 $ 1,023,628  
Commitments with balance sheet risk:      
Loans held for sale 58,179 167,698 141,965
Total other commitments 1,124,262 1,191,326  
Commitments to Extend Credit [Member]
     
Commitments with off-balance sheet risk:      
Total commitments with off-balance sheet risk 933,081 [1] 844,766 [1]  
Standby Letters of Credit [Member]
     
Commitments with off-balance sheet risk:      
Total commitments with off-balance sheet risk 55,949 45,536  
Mortgage Rate Lock Commitments [Member]
     
Commitments with off-balance sheet risk:      
Total commitments with off-balance sheet risk $ 77,053 $ 133,326  
[1] Includes unfunded overdraft protection.