OTHER COMPREHENSIVE INCOME, RECLASSIFICATION (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment securities gains, net		$ 100	$ 0	$ 128	$ 27	$ (1)	$ 129	$ 175	$ 126	$ 255	$ 429	$ 616
Salaries and employee benefits										(16,410)	(12,504)	(11,505)
Provision for income taxes		(789)	(767)	(687)	(791)	(521)	(681)	(779)	(740)	(3,034)	(2,721)	(3,559)
NET INCOME		$ 3,171	$ 3,153	$ 3,031	$ 3,283	$ 2,460	$ 2,857	$ 3,189	$ 3,120	12,638	11,626	13,385
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
NET INCOME	[1]									23	148	373
Unrealized Gains and Losses on Available For Sale Securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment securities gains, net	[1]									255	429	616
Provision for income taxes	[1]									(87)	(146)	(209)
NET INCOME	[1]									168	283	407
Defined Benefit Pension Items [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits	[1]									(219)	(205)	(51)
Provision for income taxes	[1]									74	70	17
NET INCOME	[1]									$ (145)	$ (135)	$ (34)

[1] Amounts in parentheses indicate debits.