LOANS (Details 2) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	$ 934	$ 1,834
Nonaccrual Including 90 Days or More Past Due	1,599	6,955
Total Past Due and Nonaccrual	6,924	12,403
Current	3,168,852	3,085,850
Total Loans	3,175,776	3,098,253
30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	3,768	2,854
60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	623	760
Commercial Real Estate | Mortgage loans
Past Due and Nonaccrual Loans
Total Loans	1,327,947	1,293,906
Commercial Real Estate | Mortgage loans | Owner occupied
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	0	175
Nonaccrual Including 90 Days or More Past Due	382	2,205
Total Past Due and Nonaccrual	914	2,664
Current	482,738	469,985
Total Loans	483,652	472,649
Commercial Real Estate | Mortgage loans | Owner occupied | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	532	284
Commercial Real Estate | Mortgage loans | Owner occupied | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	0
Commercial Real Estate | Mortgage loans | Non-owner occupied
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	0	1,163
Nonaccrual Including 90 Days or More Past Due	0	0
Total Past Due and Nonaccrual	415	1,163
Current	843,880	820,094
Total Loans	844,295	821,257
Commercial Real Estate | Mortgage loans | Non-owner occupied | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	415	0
Commercial Real Estate | Mortgage loans | Non-owner occupied | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	0
Multi-Family | Mortgage loans
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	0	0
Nonaccrual Including 90 Days or More Past Due	0	0
Total Past Due and Nonaccrual	0	0
Current	570,670	595,280
Total Loans	570,670	595,280
Multi-Family | Mortgage loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	0
Multi-Family | Mortgage loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	0
Residential Real Estate | Mortgage loans
Past Due and Nonaccrual Loans
Total Loans	510,303	464,264
Residential Real Estate | Mortgage loans | Residential Real Estate Mortgage Loans
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	619	0
Nonaccrual Including 90 Days or More Past Due	41	401
Total Past Due and Nonaccrual	1,891	2,873
Current	440,043	395,300
Total Loans	441,934	398,173
Residential Real Estate | Mortgage loans | Residential Real Estate Mortgage Loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	1,231	2,074
Residential Real Estate | Mortgage loans | Residential Real Estate Mortgage Loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	398
Residential Real Estate | Mortgage loans | Home equity
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	289	271
Nonaccrual Including 90 Days or More Past Due	161	161
Total Past Due and Nonaccrual	1,465	761
Current	66,904	65,330
Total Loans	68,369	66,091
Residential Real Estate | Mortgage loans | Home equity | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	458	329
Residential Real Estate | Mortgage loans | Home equity | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	557	0
Commercial, Industrial and Agricultural Loans
Past Due and Nonaccrual Loans
Total Loans	629,906	616,003
Commercial, Industrial and Agricultural Loans | Secured
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	26	225
Nonaccrual Including 90 Days or More Past Due	573	570
Total Past Due and Nonaccrual	781	949
Current	118,672	111,364
Total Loans	119,453	112,313
Commercial, Industrial and Agricultural Loans | Secured | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	141	113
Commercial, Industrial and Agricultural Loans | Secured | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	41	41
Commercial, Industrial and Agricultural Loans | Unsecured
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	0	0
Nonaccrual Including 90 Days or More Past Due	274	3,618
Total Past Due and Nonaccrual	1,264	3,671
Current	509,189	500,019
Total Loans	510,453	503,690
Commercial, Industrial and Agricultural Loans | Unsecured | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	990	18
Commercial, Industrial and Agricultural Loans | Unsecured | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	35
Real Estate Construction and Land Loans
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	0	0
Nonaccrual Including 90 Days or More Past Due	152	0
Total Past Due and Nonaccrual	152	281
Current	116,747	107,478
Total Loans	116,899	107,759
Real Estate Construction and Land Loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	0
Real Estate Construction and Land Loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	0	281
Installment/Consumer Loans
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	0	0
Nonaccrual Including 90 Days or More Past Due	16	0
Total Past Due and Nonaccrual	42	41
Current	20,009	21,000
Total Loans	20,051	21,041
Installment/Consumer Loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	1	36
Installment/Consumer Loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	$ 25	$ 5