LOANS AND ALLOWANCE FOR LOAN LOSSES - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	$ 9,645	$ 5,891
Commercial and industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	32	366
Construction and development
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	97	0
Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	6,688	3,700
Farmland
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	133	140
1-4 family residential
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	2,566	1,567
Multi-family residential
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	0	0
Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	85	66
Agricultural
Financing Receivable Recorded Investment Past Due [Line Items]
Total loans	$ 44	$ 52