FAIR VALUE - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	$ 6,364	$ 6,765
Other real estate owned	196	0
Total assets	6,560	6,765
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Other real estate owned	0	0
Total assets	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Other real estate owned	0	0
Total assets	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	6,364	6,765
Other real estate owned	196	0
Total assets	6,560	6,765
Commercial and Industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	5,342	5,082
Commercial and Industrial | Working capital lines of credit loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	247	178
Commercial and Industrial | Working capital lines of credit loans | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Commercial and Industrial | Working capital lines of credit loans | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Commercial and Industrial | Working capital lines of credit loans | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	247	178
Commercial and Industrial | Non-working capital loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	5,095	4,904
Commercial and Industrial | Non-working capital loans | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Commercial and Industrial | Non-working capital loans | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Commercial and Industrial | Non-working capital loans | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	5,095	4,904
Commercial Real Estate and Multi-family Residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	791	1,211
Commercial Real Estate and Multi-family Residential | Owner occupied loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	791	1,211
Commercial Real Estate and Multi-family Residential | Owner occupied loans | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Commercial Real Estate and Multi-family Residential | Owner occupied loans | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Commercial Real Estate and Multi-family Residential | Owner occupied loans | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	791	1,211
Agri-business and agricultural
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	231	61
Agri-business and agricultural | Loans secured by farmland
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	231	61
Agri-business and agricultural | Loans secured by farmland | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Agri-business and agricultural | Loans secured by farmland | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	0	0
Agri-business and agricultural | Loans secured by farmland | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans	$ 231	61
Consumer 1-4 Family Mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans		411
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans		411
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans		0
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans		0
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total collateral dependent loans		$ 411