DERIVATIVE FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2017	Dec. 31, 2016
Derivative
Other Liabilities	$ 4,389	$ 2,297
Fair Value Hedge \| Interest Rate Swap
Derivative
Interest rate swaps designated as cash flow hedges, notional amount	$ 7,480	$ 7,480
Average receive rate	2.30%	2.09%
Average pay rate	3.11%	3.11%
Weighted average maturity	16 years 3 months 18 days	16 years 6 months
Fair values of effective portion of hedges reflected in Other Comprehensive Income	$ 199	$ 228
Not designated as hedging instrument \| Interest Rate Swap
Derivative
Average receive rate	2.87%	2.66%
Average pay rate	3.85%	3.85%
Weighted average maturity	7 years 3 months 18 days	7 years 6 months
Not designated as hedging instrument \| Interest Rate Swap \| Other Assets.
Derivative
Interest rate derivative assets, fair value	$ 774	$ 194
Not designated as hedging instrument \| Interest Rate Swap \| Other Liabilities.
Derivative
Interest rate derivative liabilities, fair value	774	194
Not designated as hedging instrument \| Pay Floating Receive Fixed Interest Rate Swap
Derivative
Interest rate swaps designated as cash flow hedges, notional amount	40,230	40,730
Not designated as hedging instrument \| Pay Fixed Receive Floating Interest Rate Swap
Derivative
Interest rate swaps designated as cash flow hedges, notional amount	$ 40,230	$ 40,730

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Average fixed interest rate related to the group of interest rate derivatives.

+ References

No definition available.

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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Average variable interest rate related to the group of interest rate derivatives.

+ References

No definition available.

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- Definition

The effective portion of losses on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

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Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

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- Definition

The aggregate carrying amount, as of the balance sheet date, of liabilities not separately disclosed in the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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