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LOANS AND ALLOWANCE FOR LOAN LOSSES - Company's Loan Portfolio Ratings Based on its Internal Risk Rating System (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 1,265,539	$ 1,247,657
Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	123,100	129,650
Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	264,869	252,794
Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Total Loans	83,009	78,933
Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	101,312	100,367
Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment [Line Items]
Total Loans	6,361	7,385
Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	49,784	42,051
Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	169,651	160,964
Municipal
Financing Receivable, Recorded Investment [Line Items]
Total Loans	50,599	50,982
Residential mortgage | First lien
Financing Receivable, Recorded Investment [Line Items]
Total Loans	231,243	235,296
Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,828	12,208
Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment [Line Items]
Total Loans	143,308	143,616
Installment and other loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	30,475	33,411
Pass
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,208,445	1,201,023
Pass | Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	117,176	121,903
Pass | Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	253,207	242,136
Pass | Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Total Loans	74,935	71,482
Pass | Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	97,201	97,590
Pass | Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5,711	7,385
Pass | Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	48,983	41,251
Pass | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	149,895	150,286
Pass | Municipal
Financing Receivable, Recorded Investment [Line Items]
Total Loans	50,599	50,982
Pass | Residential mortgage | First lien
Financing Receivable, Recorded Investment [Line Items]
Total Loans	226,174	229,971
Pass | Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,793	12,170
Pass | Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment [Line Items]
Total Loans	142,451	142,638
Pass | Installment and other loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	30,320	33,229
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total Loans	33,592	22,137
Special Mention | Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,379	3,024
Special Mention | Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,034	10,008
Special Mention | Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Total Loans	6,535	5,886
Special Mention | Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,113	736
Special Mention | Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment [Line Items]
Total Loans	650	0
Special Mention | Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	49	25
Special Mention | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,700	2,278
Special Mention | Municipal
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Special Mention | Residential mortgage | First lien
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Special Mention | Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Special Mention | Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment [Line Items]
Total Loans	132	165
Special Mention | Installment and other loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	15
Non-Impaired Substandard
Financing Receivable, Recorded Investment [Line Items]
Total Loans	6,115	6,440
Non-Impaired Substandard | Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	899	987
Non-Impaired Substandard | Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Non-Impaired Substandard | Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Total Loans	709	717
Non-Impaired Substandard | Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,176	1,197
Non-Impaired Substandard | Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Non-Impaired Substandard | Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	577	583
Non-Impaired Substandard | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,744	2,940
Non-Impaired Substandard | Municipal
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Non-Impaired Substandard | Residential mortgage | First lien
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Non-Impaired Substandard | Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Non-Impaired Substandard | Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment [Line Items]
Total Loans	10	15
Non-Impaired Substandard | Installment and other loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	1
Impaired - Substandard
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5,859	6,297
Impaired - Substandard | Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,802	1,880
Impaired - Substandard | Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Impaired - Substandard | Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Total Loans	123	131
Impaired - Substandard | Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	294	309
Impaired - Substandard | Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Impaired - Substandard | Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Impaired - Substandard | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	266	286
Impaired - Substandard | Municipal
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Impaired - Substandard | Residential mortgage | First lien
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,636	2,877
Impaired - Substandard | Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment [Line Items]
Total Loans	13	16
Impaired - Substandard | Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment [Line Items]
Total Loans	715	798
Impaired - Substandard | Installment and other loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	10	0
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Municipal
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Residential mortgage | First lien
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Installment and other loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
PCI Loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,528	11,760
PCI Loans | Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,844	1,856
PCI Loans | Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Total Loans	628	650
PCI Loans | Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Total Loans	707	717
PCI Loans | Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	528	535
PCI Loans | Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
PCI Loans | Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	175	192
PCI Loans | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5,046	5,174
PCI Loans | Municipal
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
PCI Loans | Residential mortgage | First lien
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,433	2,448
PCI Loans | Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment [Line Items]
Total Loans	22	22
PCI Loans | Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
PCI Loans | Installment and other loans
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 145	$ 166

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524

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