LOANS AND ALLOWANCE FOR CREDIT LOSSES, Amortized Cost Basis of Loans Modification to Borrowers in Financial Distress (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification			$ 75
Total class of financing receivable	3.92%	3.97%
Commitments to lend additional funds to borrowers whose loans were modified	$ 0	$ 0
Term Extension [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	4,005	4,005
Combination Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 400	$ 450
Commercial [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.00%	0.05%
Commercial [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Commercial [Member] | Combination Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 50
Commercial Real Estate [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.06%	0.06%
Commercial Real Estate [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Commercial Real Estate [Member] | Combination Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 400	$ 400
Agriculture [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	3.86%	3.86%
Agriculture [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 4,005	$ 4,005
Agriculture [Member] | Combination Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Residential Mortgage [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.00%	0.00%
Residential Mortgage [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Residential Mortgage [Member] | Combination Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Residential Construction [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.00%	0.00%
Residential Construction [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Residential Construction [Member] | Combination Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Consumer [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification			$ 75
Total class of financing receivable	0.00%	0.00%
Consumer [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0
Consumer [Member] | Combination Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Amortized cost basis of loans that were experiencing both financial difficulty and modification	$ 0	$ 0