LOANS - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2025 USD ($) modified_loan loan	Dec. 31, 2024 USD ($) modified_loan loan
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	$ 1,842,980	$ 2,381,224	$ 1,842,980
Accrued interest receivable for loans	9,000	11,400	9,000
Outstanding balance of high risk loans, minimum		500
Financing receivable, excluding accrued interest, collateral-dependent	3,100	7,200	3,100
Mortgage loans in process of foreclosure	0	198	0
Interest income on nonaccrual loans		1,200	511
Interest lost on nonaccrual loans		$ 4,800	$ 3,800
Loan contracts restructured | modified_loan		5	9
Number of loan contracts with subsequent default | loan		1	3
Financing receivable, subsequent default, collateral repossessed	300
Financing receivable, subsequent default, charge off	810
Total commercial real estate
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	1,195,694	$ 1,552,232	$ 1,195,694
Financing receivable, grading risk matrix, minimum threshold		500
Financing receivable, grading risk matrix, maximum threshold		500
Loan contracts restructured | modified_loan			3
Total commercial real estate | Other commercial real estate
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	990,648	$ 1,249,720	$ 990,648
Total commercial real estate | Payment Delay
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan		1	1
Total commercial real estate | Term Extension
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan			3
Term extension from modification (in years)			1 year
Construction, land & land development
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan		2
Construction, land & land development | Payment Delay
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan		1	1
Construction, land & land development | Interest rate reduction
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan		1
Commercial, financial & agricultural
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	213,910	$ 218,532	$ 213,910
Loan contracts restructured | modified_loan			5
Commercial, financial & agricultural | Payment Delay
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan		1	1
Commercial, financial & agricultural | Term Extension and Payment Delay
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan			4
Commercial, financial & agricultural | Term Extension and Payment Delay | Three Year Term Extension
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan			1
Term extension from modification (in years)			3 years
Commercial, financial & agricultural | Term Extension and Payment Delay | Five Year Term Extension
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan			1
Term extension from modification (in years)			5 years
Commercial, financial & agricultural | Term Extension and Payment Delay | Ten Year Term Extension
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan			2
Term extension from modification (in years)			10 years
Residential real estate
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	344,167	$ 459,549	$ 344,167
Residential real estate | Payment Delay
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan contracts restructured | modified_loan		1
Loans Insured or Guaranteed by US Government Authorities
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	81,636	$ 84,928	81,636
Loans Insured or Guaranteed by US Government Authorities | Total commercial real estate
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	43,788	45,528	43,788
Loans Insured or Guaranteed by US Government Authorities | Total commercial real estate | Other commercial real estate
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	41,471	43,251	41,471
Loans Insured or Guaranteed by US Government Authorities | Commercial, financial & agricultural
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	28,500	29,350	28,500
Loans Insured or Guaranteed by US Government Authorities | Residential real estate
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loans	$ 9,348	$ 10,050	$ 9,348