LOANS AND ALLOWANCE FOR LOAN LOSSES - Average Recorded Investment in Impaired Loans and Related Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	$ 10,699	$ 7,773
Interest Income Recognized	16	8
Commercial real estate \| Owner-occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	1,245	1,092
Interest Income Recognized	1	0
Commercial real estate \| Non-owner occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	4,021	552
Interest Income Recognized	0	0
Commercial real estate \| Multi-family
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	161	195
Interest Income Recognized	0	0
Commercial real estate \| Non-owner occupied residential
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	374	446
Interest Income Recognized	0	0
Acquisition and development \| 1-4 family residential construction
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	286	0
Interest Income Recognized	0	0
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	343	512
Interest Income Recognized	0	0
Residential mortgage \| First lien
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	3,741	4,351
Interest Income Recognized	15	8
Residential mortgage \| Home equity - term
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	21	96
Interest Income Recognized	0	0
Residential mortgage \| Home equity - lines of credit
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	496	523
Interest Income Recognized	0	0
Installment and other loans
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	11	6
Interest Income Recognized	$ 0	$ 0

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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