Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Details)

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FAIR VALUE MEASUREMENTS (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure $ 243,989 $ 186,031
U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure 105,076 96,097
States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure 84,240 48,388
Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 2,071 2,287
Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 8,695 8,745
Level 1 Inputs [Member] | U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure $ 243,989 $ 186,031
Level 1 Inputs [Member] | U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Level 1 Inputs [Member] | States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Level 1 Inputs [Member] | Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Level 1 Inputs [Member] | Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Fair Value, Inputs, Level 2 [Member] | U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Fair Value, Inputs, Level 2 [Member] | U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure $ 105,076 $ 96,097
Fair Value, Inputs, Level 2 [Member] | States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure 84,240 48,388
Fair Value, Inputs, Level 2 [Member] | Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 2,071 2,287
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure $ 8,695 $ 8,745
Fair Value, Inputs, Level 3 [Member] | U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Fair Value, Inputs, Level 3 [Member] | U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Fair Value, Inputs, Level 3 [Member] | States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Fair Value, Inputs, Level 3 [Member] | Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure