EMPLOYEE BENEFITS (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2016 keyExecutive monthlyPayment	Dec. 31, 2014 keyExecutive
Employee Benefits [Line Items]
Defined contribution plan, employer matching contribution, percent of employees' gross pay	6.00%
Defined contribution plan, employer matching contribution, percent of match	50.00%
Deferred compensation arrangement with individual, contributions by employer	$ 1,500	$ 1,500	$ 1,200
Requisite service time (in years)	1 year
Requisite minimum age (in years)	21 years
Employee stock ownership plan (ESOP), vested percentage	1
Employee stock ownership plan (in shares) | shares	5,728
Employee stock ownership plan (ESOP), preferred shares, fair value	$ 200
Employee stock ownership plan (ESOP), compensation expense	30	24	33
SERP balance	6,300	4,600
Accrued employee benefits	1,700	$ 951	$ 945
Supplemental Employee Retirement Plan
Employee Benefits [Line Items]
Number of employees covered by plan | keyExecutive					3
Number of additional employees covered by plan | keyExecutive				8
Number of monthly payments after retirement or separation | monthlyPayment				180
Defined benefit plan, retirement age (in years)				65 years
Iberville Bank
Employee Benefits [Line Items]
Deferred compensation share-based arrangements, liability, current and noncurrent	677
Deferred compensation arrangement with individual, allocated share-based compensation expense	9
Southwest
Employee Benefits [Line Items]
Deferred compensation share-based arrangements, liability, current and noncurrent	1,100
Deferred compensation arrangement with individual, allocated share-based compensation expense	102
FMB Banking Corporation
Employee Benefits [Line Items]
Deferred compensation share-based arrangements, liability, current and noncurrent	2,400
Deferred compensation arrangement with individual, allocated share-based compensation expense	128
SWG acquisition
Employee Benefits [Line Items]
Deferred compensation share-based arrangements, liability, current and noncurrent	193
Deferred compensation arrangement with individual, allocated share-based compensation expense	$ 19