FAIR VALUE - Valuation Methodology and Unobservable Inputs for Level 3 Assets (Details) - Fair Value, Measurements, Nonrecurring $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) item
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Total collateral dependent loans	$ 6,364	$ 6,765
Commercial and Industrial
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Total collateral dependent loans	$ 5,342	$ 5,082
Valuation Methodology	Collateral based measurements	Collateral based measurements
Unobservable Inputs	Discount to reflect current market conditions and ultimate collectability	Discount to reflect current market conditions
Commercial and Industrial | Minimum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.22	16
Commercial and Industrial | Maximum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.99	100
Commercial and Industrial | Weighted Average
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.65	55
Commercial Real Estate and Multi-family Residential
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Total collateral dependent loans	$ 791	$ 1,211
Valuation Methodology	Collateral based measurements	Collateral based measurements
Unobservable Inputs	Discount to reflect current market conditions and ultimate collectability	Discount to reflect current market conditions
Commercial Real Estate and Multi-family Residential | Minimum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.34	21
Commercial Real Estate and Multi-family Residential | Maximum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.68	74
Commercial Real Estate and Multi-family Residential | Weighted Average
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.51	53
Consumer 1-4 Family Mortgage
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Total collateral dependent loans		$ 411
Valuation Methodology		Collateral based measurements
Unobservable Inputs		Discount to reflect current market conditions and ultimate collectability
Consumer 1-4 Family Mortgage | Minimum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs | item		10
Consumer 1-4 Family Mortgage | Maximum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs | item		15
Consumer 1-4 Family Mortgage | Weighted Average
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs | item		11
Agri-business and agricultural
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Total collateral dependent loans	$ 231	$ 61
Valuation Methodology	Collateral based measurements	Collateral based measurements
Unobservable Inputs	Discount to reflect current market conditions and ultimate collectability	Discount to reflect current market conditions and ultimate collectability
Agri-business and agricultural | Minimum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.03
Agri-business and agricultural | Maximum
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.68
Agri-business and agricultural | Weighted Average
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.35	58
Other real estate owned
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Total collateral dependent loans	$ 196
Valuation Methodology	Appraisals
Unobservable Inputs	Discount to reflect current market conditions and ultimate collectability
Other real estate owned | Weighted Average
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items]
Range of Inputs	0.38