ACCUMULATED OTHER COMPREHENSIVE LOSS - Components of AOCL (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (6,127)	$ (6,487)	$ (6,573)
Other comprehensive income (loss) before reclassification	(2,589)	468	139
Amounts reclassified from accumulated other comprehensive loss	40	(108)	(53)
Net current period other comprehensive income (loss)	(2,549)	360	86
Reclassification of certain tax effects from accumulated other comprehensive loss	(486)
Ending balance	(9,162)	(6,127)	(6,487)
Gains and (Losses) on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(571)	(695)	(775)
Other comprehensive income (loss) before reclassification	178	124	80
Amounts reclassified from accumulated other comprehensive loss	0	0	0
Net current period other comprehensive income (loss)	178	124	80
Reclassification of certain tax effects from accumulated other comprehensive loss	0
Ending balance	(393)	(571)	(695)
Available-for-sale Securities \| Unrealized Gains and (Losses) on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5,460)	(5,319)	(5,212)
Other comprehensive income (loss) before reclassification	(2,799)	(33)	(54)
Amounts reclassified from accumulated other comprehensive loss	40	(108)	(53)
Net current period other comprehensive income (loss)	(2,759)	(141)	(107)
Reclassification of certain tax effects from accumulated other comprehensive loss	(486)
Ending balance	(8,705)	(5,460)	(5,319)
Held-to-maturity Securities \| Unrealized Gains and (Losses) on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(96)	(473)	(586)
Other comprehensive income (loss) before reclassification	32	377	113
Amounts reclassified from accumulated other comprehensive loss	0	0	0
Net current period other comprehensive income (loss)	32	377	113
Reclassification of certain tax effects from accumulated other comprehensive loss	0
Ending balance	$ (64)	$ (96)	$ (473)

Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount before tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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