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LOANS AND ALLOWANCE FOR LOAN LOSSES - Troubled Debt Restructuring (Details)	3 Months Ended
	Mar. 31, 2017 USD ($) contract	Mar. 31, 2016 USD ($) contract	Dec. 31, 2016 USD ($)
Financing Receivable, Modifications [Line Items]
Total	$ 372,000		$ 505,000
Specific reserves on TDRs	$ 4,000		4,000
Troubled Debt Restructurings:
Number of Contracts | contract	2	3
Pre-Modification Outstanding Recorded Investment	$ 45,000	$ 23,000
Post-Modification Outstanding Recorded Investment	45,000	23,000
Troubled debt restructuring charge-offs	$ 0	$ 0
Commercial and industrial
Troubled Debt Restructurings:
Number of Contracts | contract	1
Pre-Modification Outstanding Recorded Investment	$ 34,000
Post-Modification Outstanding Recorded Investment	$ 34,000
1-4 family residential
Troubled Debt Restructurings:
Number of Contracts | contract	1
Pre-Modification Outstanding Recorded Investment	$ 11,000
Post-Modification Outstanding Recorded Investment	11,000
Consumer
Troubled Debt Restructurings:
Number of Contracts | contract		3
Pre-Modification Outstanding Recorded Investment		$ 23,000
Post-Modification Outstanding Recorded Investment		$ 23,000
Nonaccrual TDRs
Financing Receivable, Modifications [Line Items]
Total	42,000		90,000
Performing TDRs
Financing Receivable, Modifications [Line Items]
Total	$ 330,000		$ 415,000

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Troubled Debt Restructuring [Abstract]

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Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings.

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

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Reflects the amount of the write-down related to a troubled debt restructuring.

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-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
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