ACCUMULATED OTHER COMPREHENSIVE INCOME, RECLASSIFICATION OF AOCI (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]
Realized gain on sales of securities									$ (1,082)	$ (495)	$ (149)
Less provision for income taxes	$ (1,337)	$ (995)	$ (1,043)	$ (1,068)	$ (1,013)	$ (922)	$ (1,205)	$ (1,082)	(4,443)	(4,222)	$ (3,386)
Reclassification adjustment, net of taxes									712	327
Unrealized Gains and Losses on Available-for-Sale Securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification adjustment, net of taxes									712	327
Unrealized Gains and Losses on Available-for-Sale Securities | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain on sales of securities									1,082	495
Less provision for income taxes									370	168
Reclassification adjustment, net of taxes									$ 712	$ 327