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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, 2019	Mar. 31, 2018
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	$ 6,136	$ 10,699
Interest Income Recognized	15	16
Commercial real estate | Owner-occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	1,863	1,245
Interest Income Recognized	0	1
Commercial real estate | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	0	4,021
Interest Income Recognized	0	0
Commercial real estate | Multi-family
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	127	161
Interest Income Recognized	0	0
Commercial real estate | Non-owner occupied residential
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	301	374
Interest Income Recognized	0	0
Acquisition and development | 1-4 family residential construction
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	0	286
Interest Income Recognized	0	0
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	277	343
Interest Income Recognized	0	0
Residential mortgage | First lien
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	2,788	3,741
Interest Income Recognized	15	15
Residential mortgage | Home equity - term
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	15	21
Interest Income Recognized	0	0
Residential mortgage | Home equity - lines of credit
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	758	496
Interest Income Recognized	0	0
Installment and other loans
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	7	11
Interest Income Recognized	$ 0	$ 0

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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://fasb.org/us-gaap/role/ref/legacyRef
-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

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-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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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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-Publisher FASB
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-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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