FAIR VALUE - Schedule of Individually Evaluated Collateral Dependent Loans at Fair Value (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	$ 8,526
Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	8,526
1-4 Family Residential
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
1-4 Family Residential | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
1-4 Family Residential | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
1-4 Family Residential | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Multi-Family Residential
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Multi-Family Residential | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Multi-Family Residential | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Multi-Family Residential | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Construction and Development
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	425
Construction and Development | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Construction and Development | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Construction and Development | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	425
Commercial Real Estate
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	8,004
Commercial Real Estate | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Commercial Real Estate | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Commercial Real Estate | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	8,004
Farmland
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Farmland | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Farmland | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Farmland | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Commercial and Industrial
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	97
Commercial and Industrial | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Commercial and Industrial | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Commercial and Industrial | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	97
Consumer
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Consumer | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Consumer | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Consumer | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Agricultural
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Agricultural | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Agricultural | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Agricultural | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Overdraft
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Overdraft | Level 1 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Overdraft | Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	0
Overdraft | Level 3 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total fair value of individually evaluated collateral dependent loans	$ 0