EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Profit Sharing and Deferred Compensation Plans (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) age shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares
Defined Contribution Plan Disclosure [Line Items]
Matching contributions	$ 1,468,000	$ 1,419,000	$ 1,415,000
Employee Stock Ownership Plan (ESOP), Diversification Feature, Age Requirement | age	55
Deferred Compensation Arrangement with Individual, Requisite Service Period	10 years
Employee Stock Ownership Plan (ESOP), Diversification Feature Percentage	50.00%
Employee Stock Ownership Plan (ESOP), Policy Diversification Feature Term	6 years
Employee Stock Ownership Plan (ESOP), Shares Repurchased | shares		0	0
Employee Stock Ownership Plan (ESOP), Shares in ESOP, Total | shares	618,148	579,567	564,353
Employee Stock Ownership Plan (ESOP), Cash Contributions to ESOP	$ 665,000	$ 1,244,000	$ 1,170,000
Deferred Compensation, Monthly Payments To Be Made To Executives Or His Heirs	$ 1,000,000
Deferred Compensation Arrangement with Individual, Maximum Contractual Term	10 years
Nonqualified supplemental deferred compensation arrangement
Defined Contribution Plan Disclosure [Line Items]
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 223,000	489,000	391,000
Nonqualified supplemental deferred compensation arrangement | Accrued interest and other liabilities
Defined Contribution Plan Disclosure [Line Items]
Deferred compensation arrangement liability	$ 3,164,000	3,025,000
Supplemental retirement benefit to a former executive In connection with an acquisition
Defined Contribution Plan Disclosure [Line Items]
Deferred Compensation Liability Discount Rate	1.50%
Supplemental retirement benefit to a former executive In connection with an acquisition | Accrued interest and other liabilities
Defined Contribution Plan Disclosure [Line Items]
Supplemental retirement benefit liability	$ 919,000	905,000
Supplemental retirement benefit to a former executive In connection with an acquisition | Pension And Other Employee Benefits Expenses
Defined Contribution Plan Disclosure [Line Items]
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 14,000	$ 13,000	$ 14,000