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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Loans Individually and Collectively Evaluated for Impairment and Respective Allowance for Loan Losses (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Unpaid Principal Balance [Abstract] |
Unpaid Principal Balance, With no related allowance recorded | $ 8,673
Unpaid Principal Balance, With related allowance recorded | 13,004
Unpaid Principal Balance | 21,677
Recorded Investment [Abstract] |
Recorded Investment, With no related allowance recorded | 8,673
Recorded Investment, With related allowance recorded | 13,004
Recorded Investment, With related allowance recorded | 21,677
Related Allowance [Abstract] |
Related Allowance | 1,649
Average Recorded Investment [Abstract] |
Average Recorded Investment, With no related allowance recorded | 7,803
Average Recorded Investment, With related allowance recorded | 9,385
Average Recorded Investment, With related allowance recorded | 17,188
Commercial and industrial |
Unpaid Principal Balance [Abstract] |
Unpaid Principal Balance, With no related allowance recorded | 289
Recorded Investment [Abstract] |
Recorded Investment, With no related allowance recorded | 289
Average Recorded Investment [Abstract] |
Average Recorded Investment, With no related allowance recorded | 312
Average Recorded Investment, With related allowance recorded | 61
Construction and development |
Unpaid Principal Balance [Abstract] |
Unpaid Principal Balance, With no related allowance recorded | 1,212
Recorded Investment [Abstract] |
Recorded Investment, With no related allowance recorded | 1,212
Average Recorded Investment [Abstract] |
Average Recorded Investment, With no related allowance recorded | 1,259
Commercial real estate |
Unpaid Principal Balance [Abstract] |
Unpaid Principal Balance, With no related allowance recorded | 4,612
Unpaid Principal Balance, With related allowance recorded | 12,871
Recorded Investment [Abstract] |
Recorded Investment, With no related allowance recorded | 4,612
Recorded Investment, With related allowance recorded | 12,871
Related Allowance [Abstract] |
Related Allowance | 1,587
Average Recorded Investment [Abstract] |
Average Recorded Investment, With no related allowance recorded | 4,244
Average Recorded Investment, With related allowance recorded | 9,111
Farmland |
Unpaid Principal Balance [Abstract] |
Unpaid Principal Balance, With related allowance recorded | 133
Recorded Investment [Abstract] |
Recorded Investment, With related allowance recorded | 133
Related Allowance [Abstract] |
Related Allowance | 62
Average Recorded Investment [Abstract] |
Average Recorded Investment, With related allowance recorded | 135
1-4 family residential |
Unpaid Principal Balance [Abstract] |
Unpaid Principal Balance, With no related allowance recorded | 2,498
Recorded Investment [Abstract] |
Recorded Investment, With no related allowance recorded | 2,498
Average Recorded Investment [Abstract] |
Average Recorded Investment, With no related allowance recorded | 1,798
Average Recorded Investment, With related allowance recorded | 78
Agricultural |
Unpaid Principal Balance [Abstract] |
Unpaid Principal Balance, With no related allowance recorded | 62
Recorded Investment [Abstract] |
Recorded Investment, With no related allowance recorded | 62
Average Recorded Investment [Abstract] |
Average Recorded Investment, With no related allowance recorded | $ 190

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