LOANS - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 USD ($) modified_loan loan	Dec. 31, 2023 USD ($) loan modified_loan
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	$ 1,842,980	$ 1,842,980	$ 1,883,470
Accrued interest receivable for loans	9,000	9,000	8,800
Outstanding balance of high risk loans, minimum	500	500
Financing receivable, excluding accrued interest, collateral-dependent	3,100	3,100	1,400
Mortgage loans in process of foreclosure	0	0	0
Interest income on nonaccrual loans		511	430
Interest lost on nonaccrual loans		$ 3,800	$ 3,100
Number of loan modifications | modified_loan		9
Number of loan contracts with subsequent default | loan		3	0
Financing receivable, subsequent default, collateral repossessed	300
Financing receivable, subsequent default, charge off	810
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	344,167	$ 344,167	$ 356,234
Residential real estate | Term Extension
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan			1
Term extension from modification (in years)			2 years
Construction, land & land development | Payment Delay
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		1
Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	213,910	$ 213,910	$ 242,756
Number of loan modifications | modified_loan		5
Commercial, financial & agricultural | Payment Delay
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		1
Commercial, financial & agricultural | Term Extension and Payment Delay
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		4	1
Term extension from modification (in years)			2 years
Commercial, financial & agricultural | Term Extension and Payment Delay | Three Year Term Extension
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		1
Term extension from modification (in years)		3 years
Commercial, financial & agricultural | Term Extension and Payment Delay | Five Year Term Extension
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		1
Term extension from modification (in years)		5 years
Commercial, financial & agricultural | Term Extension and Payment Delay | Ten Year Term Extension
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		2
Term extension from modification (in years)		10 years
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	1,195,694	$ 1,195,694	$ 1,221,521
Financing receivable, grading risk matrix, minimum threshold	500	500
Financing receivable, grading risk matrix, maximum threshold	500	$ 500
Number of loan modifications | modified_loan		3
Commercial real estate | Payment Delay
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		1
Commercial real estate | Term Extension | One Year Term Extension
Loans and Leases Receivable Disclosure [Line Items]
Number of loan modifications | modified_loan		3
Term extension from modification (in years)		1 year
Loans Insured or Guaranteed by US Government Authorities
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	81,636	$ 81,636	68,637
Loans Insured or Guaranteed by US Government Authorities | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	9,348	9,348	8,019
Loans Insured or Guaranteed by US Government Authorities | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	28,500	28,500	26,334
Loans Insured or Guaranteed by US Government Authorities | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans, net of unearned income	$ 43,788	$ 43,788	$ 34,284