Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details)

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FAIR VALUE MEASUREMENTS (Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans $ 16,000 $ 33,000  
Available for sale securities, Estimated fair value 1,078,699,000 677,348,000 583,217,000
Liability, interest rate swap - loans 16,000 33,000  
Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans       
Available for sale securities, Estimated fair value       
Liability, interest rate swap - loans       
Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans 16,000 33,000  
Available for sale securities, Estimated fair value 1,078,699,000 677,348,000  
Liability, interest rate swap - loans 16,000 33,000  
Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans       
Available for sale securities, Estimated fair value       
Liability, interest rate swap - loans       
Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans 16,000 33,000  
Liability, interest rate swap - loans 16,000 33,000  
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans        
Liability, interest rate swap - loans        
Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans 16,000 33,000  
Liability, interest rate swap - loans 16,000 33,000  
Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, interest rate swap - loans        
Liability, interest rate swap - loans        
US Government Agencies Debt Securities [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 3,174,000 2,153,000  
US Government Agencies Debt Securities [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 3,174,000 2,153,000  
US Government Agencies Debt Securities [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
US Government Agencies Debt Securities [Member] | Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 3,174,000 2,153,000  
US Government Agencies Debt Securities [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Obligations of States and Political Subdivisions [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 433,651,000 254,830,000  
Obligations of States and Political Subdivisions [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 433,651,000 254,830,000  
Obligations of States and Political Subdivisions [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Obligations of States and Political Subdivisions [Member] | Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 433,651,000 254,830,000  
Obligations of States and Political Subdivisions [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Corporate and Other Bonds [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 72,622,000 9,434,000  
Corporate and Other Bonds [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 72,622,000 9,434,000  
Corporate and Other Bonds [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Corporate and Other Bonds [Member] | Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 72,622,000 9,434,000  
Corporate and Other Bonds [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Mortgage Backed Securities [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 555,963,000 407,362,000  
Mortgage Backed Securities [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 555,963,000 407,362,000  
Mortgage Backed Securities [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Mortgage Backed Securities [Member] | Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 555,963,000 407,362,000  
Mortgage Backed Securities [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Other Securities [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 13,289,000 3,569,000  
Other Securities [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 13,289,000 3,569,000  
Other Securities [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Other Securities [Member] | Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value 13,289,000 3,569,000  
Other Securities [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Available for sale securities, Estimated fair value        
Trust Swaps [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Liability, Cash flow hedge - prime loan swap 3,784,000 3,046,000  
Trust Swaps [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Liability, Cash flow hedge - prime loan swap        
Trust Swaps [Member] | Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Liability, Cash flow hedge - prime loan swap 3,784,000 3,046,000  
Trust Swaps [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Liability, Cash flow hedge - prime loan swap        
Prime Loan Swaps [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets 13,000    
Prime Loan Swaps [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets       
Prime Loan Swaps [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets 13,000    
Prime Loan Swaps [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets       
Prime Loan Swaps [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, Cash flow hedge - prime loan swap 13,000    
Liability, Cash flow hedge - prime loan swap   516,000  
Prime Loan Swaps [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, Cash flow hedge - prime loan swap       
Liability, Cash flow hedge - prime loan swap       
Prime Loan Swaps [Member] | Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, Cash flow hedge - prime loan swap 13,000    
Liability, Cash flow hedge - prime loan swap   516,000  
Prime Loan Swaps [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Asset, Cash flow hedge - prime loan swap       
Liability, Cash flow hedge - prime loan swap       
Mortgage Rate Lock Commitments [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets 538,000    
Mortgage Rate Lock Commitments [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets       
Mortgage Rate Lock Commitments [Member] | Significant Other Observable Inputs Level 2 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets       
Mortgage Rate Lock Commitments [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets 538,000    
Mortgage Rate Lock Commitments [Member] | Recurring [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets 538,000    
Mortgage Rate Lock Commitments [Member] | Recurring [Member] | Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets       
Mortgage Rate Lock Commitments [Member] | Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
     
Fair value of assets and liabilities measured on a recurring basis:      
Derivative assets $ 538,000