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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loan Portfolio Summarized by Aging Categories of Performing Loans and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 1,244,665
Past Due	4,603
90+ (still accruing) Days Past Due	0
Non- Accrual	4,743
Total Loans	1,254,011
Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	10,492	$ 10,958
Past Due	1,036	802
90+ (still accruing) Days Past Due	295	57
Non- Accrual	0	0
Total Loans	11,528	11,760
30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,056
30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	271	631
60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	547	1,059
60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	470	114
Commercial real estate | Owner-occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	119,488	125,887
Past Due	0	66
90+ (still accruing) Days Past Due	0	0
Non- Accrual	1,768	1,841
Total Loans	121,256	127,794
Commercial real estate | Owner-occupied | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,771	1,784
Past Due	73	72
90+ (still accruing) Days Past Due	73	0
Non- Accrual	0	0
Total Loans	1,844	1,856
Commercial real estate | Owner-occupied | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	66
Commercial real estate | Owner-occupied | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Owner-occupied | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Owner-occupied | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		72
Commercial real estate | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	264,241	252,144
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	264,241	252,144
Commercial real estate | Non-owner occupied | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	628	650
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	628	650
Commercial real estate | Non-owner occupied | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Non-owner occupied | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Non-owner occupied | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Non-owner occupied | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	82,179	78,085
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	123	131
Total Loans	82,302	78,216
Commercial real estate | Multi-family | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	707	717
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	707	717
Commercial real estate | Multi-family | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Multi-family | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Multi-family | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Multi-family | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Non-owner occupied residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	100,353	99,268
Past Due	137	255
90+ (still accruing) Days Past Due	0	0
Non- Accrual	294	309
Total Loans	100,784	99,832
Commercial real estate | Non-owner occupied residential | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	528	535
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	528	535
Commercial real estate | Non-owner occupied residential | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	137	226
Commercial real estate | Non-owner occupied residential | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial real estate | Non-owner occupied residential | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	29
Commercial real estate | Non-owner occupied residential | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Acquisition and development | 1-4 family residential construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	6,361	7,385
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	6,361	7,385
Acquisition and development | 1-4 family residential construction | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Acquisition and development | 1-4 family residential construction | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Acquisition and development | Commercial and land development
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	49,609	41,822
Past Due	0	37
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	49,609	41,859
Acquisition and development | Commercial and land development | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	175	192
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	175	192
Acquisition and development | Commercial and land development | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	37
Acquisition and development | Commercial and land development | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Acquisition and development | Commercial and land development | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Acquisition and development | Commercial and land development | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	163,983	154,988
Past Due	356	516
90+ (still accruing) Days Past Due	0	0
Non- Accrual	266	286
Total Loans	164,605	155,790
Commercial and industrial | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	4,821	4,943
Past Due	225	231
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	5,046	5,174
Commercial and industrial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	356	411
Commercial and industrial | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	225	231
Commercial and industrial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	105
Commercial and industrial | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Municipal
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	50,599	50,982
Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	50,599	50,982
Municipal | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Municipal | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential mortgage | First lien
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	224,022	228,714
Past Due	3,212	2,326
90+ (still accruing) Days Past Due	0	0
Non- Accrual	1,576	1,808
Total Loans	228,810	232,848
Residential mortgage | First lien | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,717	1,971
Past Due	716	477
90+ (still accruing) Days Past Due	222	53
Non- Accrual	0	0
Total Loans	2,433	2,448
Residential mortgage | First lien | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,046	1,592
Residential mortgage | First lien | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	29	382
Residential mortgage | First lien | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	166	734
Residential mortgage | First lien | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	465	42
Residential mortgage | Home equity - term
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	11,782	11,487
Past Due	11	683
90+ (still accruing) Days Past Due	0	0
Non- Accrual	13	16
Total Loans	11,806	12,186
Residential mortgage | Home equity - term | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	17	17
Past Due	5	5
90+ (still accruing) Days Past Due	0	0
Non- Accrual	0	0
Total Loans	22	22
Residential mortgage | Home equity - term | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	678
Residential mortgage | Home equity - term | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	5
Residential mortgage | Home equity - term | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	11	5
Residential mortgage | Home equity - term | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	5	0
Residential mortgage | Home equity - lines of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	141,788	142,394
Past Due	827	448
90+ (still accruing) Days Past Due	0	0
Non- Accrual	693	774
Total Loans	143,308	143,616
Residential mortgage | Home equity - lines of credit | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	460	420
Residential mortgage | Home equity - lines of credit | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	367	28
Installment and other loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	30,260	33,135
Past Due	60	110
90+ (still accruing) Days Past Due	0	0
Non- Accrual	10	0
Total Loans	30,330	33,245
Installment and other loans | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	128	149
Past Due	17	17
90+ (still accruing) Days Past Due	0	4
Non- Accrual	0	0
Total Loans	145	166
Installment and other loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	57	66
Installment and other loans | 30 to 59 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	17	13
Installment and other loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3	44
Installment and other loans | 60 to 89 Days Past Due | Loans Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Loans Excluding Acquired PCI
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,255,157	1,226,291
Past Due	5,639	4,441
90+ (still accruing) Days Past Due	295	0
Non- Accrual	4,743	5,165
Total Loans	1,265,539	1,235,897
Loans Excluding Acquired PCI | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,327	3,496
Loans Excluding Acquired PCI | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 1,017	945
Total Portfolio
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current		1,237,249
Past Due		5,243
90+ (still accruing) Days Past Due		57
Non- Accrual		5,165
Total Loans		1,247,657
Total Portfolio | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		$ 4,127

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