FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	$ 379,637	$ 385,241
U.S. Treasury securities [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	1,010	1,021
Mortgage Backed Obligations of US Government Corporations and Agencies [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	110,907	112,474
Other Obligations of US Government Corporations and Agencies [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	20,970	21,592
Obligations of state and political subdivisions [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	211,134	200,314
Corporate debt securities [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	33,976	47,833
Marketable equity securities [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	1,640	2,007
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	1,640	2,007
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	377,997	383,234
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | U.S. Treasury securities [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | U.S. Treasury securities [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	1,010	1,021
Fair Value, Measurements, Recurring [Member] | U.S. Treasury securities [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Mortgage Backed Obligations of US Government Corporations and Agencies [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Mortgage Backed Obligations of US Government Corporations and Agencies [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	110,907	112,474
Fair Value, Measurements, Recurring [Member] | Mortgage Backed Obligations of US Government Corporations and Agencies [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Other Obligations of US Government Corporations and Agencies [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Other Obligations of US Government Corporations and Agencies [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	20,970	21,592
Fair Value, Measurements, Recurring [Member] | Other Obligations of US Government Corporations and Agencies [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Obligations of state and political subdivisions [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Obligations of state and political subdivisions [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	211,134	200,314
Fair Value, Measurements, Recurring [Member] | Obligations of state and political subdivisions [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Corporate debt securities [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Corporate debt securities [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	33,976	47,833
Fair Value, Measurements, Recurring [Member] | Corporate debt securities [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Marketable equity securities [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	1,640	2,007
Fair Value, Measurements, Recurring [Member] | Marketable equity securities [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	0	0
Fair Value, Measurements, Recurring [Member] | Marketable equity securities [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Available-for-Sale Securities:	$ 0	$ 0