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EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Stock Based Compensation Paragraphs (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Apr. 20, 2023	Dec. 31, 2021
STOCK-BASED COMPENSATION PLANS
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value		$ 14,000	$ 76,000
Share-based Payment Arrangement, Expense		$ 1,494,000	$ 1,472,000	$ 1,260,000
Outstanding stock options		0	646	10,564		24,218
Employee Stock Option
STOCK-BASED COMPENSATION PLANS
Share-based Payment Arrangement, Expense		$ 0	$ 0	$ 0
Restricted Stock
STOCK-BASED COMPENSATION PLANS
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 1,639,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 6 months
Granted (in shares)		92,860
Share-based Payment Arrangement, Expense		$ 1,494,000	$ 1,472,000	$ 1,260,000
Stock Incentive Plan \| Restricted Stock
STOCK-BASED COMPENSATION PLANS
Shares awarded (in shares)		92,860	53,788
Stock Incentive Plan \| Restricted Stock \| Employees
STOCK-BASED COMPENSATION PLANS
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		3 years	3 years
Shares awarded (in shares)		63,514	31,684
Stock Incentive Plan \| Performance Shares \| Employees
STOCK-BASED COMPENSATION PLANS
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		3 years	3 years
Shares awarded (in shares)		19,346	11,104
Independent Directors Stock Incentive Plan \| Restricted Stock \| Independent directors
STOCK-BASED COMPENSATION PLANS
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		1 year	1 year
Shares awarded (in shares)		10,000	11,000
2023 Equity Incentive Plan
STOCK-BASED COMPENSATION PLANS
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					500,000
Shares awarded (in shares)		92,860
2023 Equity Incentive Plan \| Restricted Stock
STOCK-BASED COMPENSATION PLANS
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
Granted (in shares)	31,113
2023 Equity Incentive Plan \| Performance Based Restricted Stock Award
STOCK-BASED COMPENSATION PLANS
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
Granted (in shares)	11,848