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FAIR VALUE - Summary of Additional Qualitative Information (Details) - Fair Value, Measurements, Nonrecurring
$ in Thousands
Sep. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Impaired loans | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent)   0.0608
Impaired loans | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent)   0.1793
Impaired loans | Discount Rate | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent) 0.0608  
Impaired loans | Discount Rate | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent) 0.1793  
Impaired loans | Appraisal of collateral    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value Estimate $ 572 $ 1,392
Impaired loans | Appraisal of collateral | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent)   0.10
Impaired loans | Appraisal of collateral | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent)   0.25
Impaired loans | Appraisal of collateral | Discount Rate | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent) 0.10  
Impaired loans | Appraisal of collateral | Discount Rate | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent) 0.25  
Mortgage servicing rights | Discounted cash flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value Estimate   $ 322
Mortgage servicing rights | Discounted cash flow | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent)   0.0903
Mortgage servicing rights | Discounted cash flow | Constant Prepayment Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset, measurement input (percent)   0.1260