LOANS AND ALLOWANCE FOR LOAN LOSSES - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 7,307	$ 4,004
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	71	77
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	3,950	1,422
Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	246	163
1-4 family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,650	1,937
Multi-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	217
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	149	138
Agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 241	$ 50