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LOANS AND ALLOWANCE FOR CREDIT LOSSES - AMORTIZED COST OF LOANS AND LEASES (Details)	3 Months Ended
	Mar. 31, 2024 USD ($) loan	Mar. 31, 2023 USD ($) loan
Financing Receivable, Modifications [Line Items]
Accruing number of contracts | loan	349	537
Accruing recorded investments	$ 75,000	$ 105,000
Nonaccruing number of contracts		7
Nonaccruing recorded investments		$ 681,000
Nonaccruing percentage of total financing receivables		0.01%
Current
Financing Receivable, Modifications [Line Items]
Accruing recorded investments	550,000	$ 105,000
Nonaccruing recorded investments	884,000	$ 681,000
90 + Days Delinquent
Financing Receivable, Modifications [Line Items]
Nonaccruing recorded investments	$ 134,000
Republic Processing Group
Financing Receivable, Modifications [Line Items]
Accruing number of contracts | loan	349	537
Accruing recorded investments	$ 75,000	$ 105,000
Accruing percentage of total financing receivables	0.04%	0.07%
Republic Processing Group | Current
Financing Receivable, Modifications [Line Items]
Accruing recorded investments	$ 75,000	$ 105,000
Residential real estate | Residential Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
Nonaccruing number of contracts		6
Nonaccruing recorded investments		$ 609,000
Nonaccruing percentage of total financing receivables		0.06%
Residential real estate | Residential Real Estate - Owner Occupied | Current
Financing Receivable, Modifications [Line Items]
Accruing recorded investments	475,000
Nonaccruing recorded investments	267,000	$ 609,000
Residential real estate | Residential Real Estate - Owner Occupied | 90 + Days Delinquent
Financing Receivable, Modifications [Line Items]
Nonaccruing recorded investments	109,000
Residential real estate | Home equity
Financing Receivable, Modifications [Line Items]
Nonaccruing number of contracts		1
Nonaccruing recorded investments		$ 72,000
Nonaccruing percentage of total financing receivables		0.03%
Residential real estate | Home equity | Current
Financing Receivable, Modifications [Line Items]
Nonaccruing recorded investments	617,000	$ 72,000
Residential real estate | Home equity | 90 + Days Delinquent
Financing Receivable, Modifications [Line Items]
Nonaccruing recorded investments	$ 25,000
Term Extension
Financing Receivable, Modifications [Line Items]
Nonaccruing number of contracts | loan		2
Nonaccruing recorded investments		$ 265,000
Number of Loans		2
Recorded Investment		$ 265,000
Term Extension | Residential real estate | Residential Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
Number of Loans		2
Recorded Investment		$ 265,000
Principal deferral
Financing Receivable, Modifications [Line Items]
Accruing number of contracts | loan	349	537
Accruing recorded investments	$ 75,000	$ 105,000
Nonaccruing number of contracts | loan		5
Nonaccruing recorded investments		$ 416,000
Number of Loans	349	542
Recorded Investment	$ 75,000	$ 521,000
Principal deferral | Republic Processing Group
Financing Receivable, Modifications [Line Items]
Number of Loans	349	537
Recorded Investment	$ 75,000	$ 105,000
Principal deferral | Residential real estate | Residential Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
Number of Loans		4
Recorded Investment		$ 344,000
Principal deferral | Residential real estate | Home equity
Financing Receivable, Modifications [Line Items]
Number of Loans		1
Recorded Investment		$ 72,000

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