Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENT (Financial Assets And Financial Liabilities Carried At Fair Value On A Recurring Basis) (Detail)

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FAIR VALUE MEASUREMENT (Financial Assets And Financial Liabilities Carried At Fair Value On A Recurring Basis) (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities $ 266,220 $ 233,877
Fair Value Measurements Recurring [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value 266,220 234,266
Fair Value Measurements Recurring [Member] | Us Treasury and Government [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 32,274 28,386
Fair Value Measurements Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 88,240 73,466
Fair Value Measurements Recurring [Member] | Us States and Political Subdivisions Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 129,831 118,177
Fair Value Measurements Recurring [Member] | Corporate Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 15,875 13,848
Fair Value Measurements Recurring [Member] | Interest Rate Swap [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities   389
Total assets at fair value   389
Fair Value Measurements Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value 0 0
Fair Value Measurements Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Us Treasury and Government [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Collateralized Mortgage Backed Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Us States and Political Subdivisions Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities   0
Total assets at fair value   0
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value 266,220 234,266
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member] | Us Treasury and Government [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 32,274 28,386
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member] | Collateralized Mortgage Backed Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 88,240 73,466
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member] | Us States and Political Subdivisions Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 129,831 118,177
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member] | Corporate Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 15,875 13,848
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member] | Interest Rate Swap [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities   389
Total assets at fair value   389
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value 0 0
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 3 [Member] | Us Treasury and Government [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 3 [Member] | Collateralized Mortgage Backed Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 3 [Member] | Us States and Political Subdivisions Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 3 [Member] | Corporate Debt Securities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 3 [Member] | Interest Rate Swap [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities   0
Total assets at fair value   $ 0