EMPLOYEE BENEFIT PLANS (Tables)	12 Months Ended
EMPLOYEE BENEFIT PLANS (Tables)	Dec. 31, 2023
EMPLOYEE BENEFIT PLANS [Abstract]
Schedule of Changes in Projected Benefit Obligation and Changes in Plan Assets [Table Text Block]	December 31, 2023 December 31, 2022 (In thousands) Changes in projected benefit obligation: Projected benefit obligation at the beginning of year, defined benefit pension plans $ 73,508 $ 97,867 Interest cost 3,800 2,614 Actuarial loss (gain) (1) 1,966 (21,265) Benefits paid (5,727) (5,708) Projected benefit obligation at the end of year, pension plans $ 73,547 $ 73,508 Projected benefit obligation, other postretirement benefit plan 244 182 Projected benefit obligation at the end of year $ 73,791 $ 73,690 Changes in plan assets: Fair value of plan assets at the beginning of year $ 77,189 $ 103,487 Actual return on plan assets - gain (loss) 5,903 (20,590) Benefits paid (5,727) (5,708) Fair value of pension plan assets at the end of year (2) $ 77,365 $ 77,189 Net asset, pension plans 3,818 3,681 Net benefit obligation, other postretirement benefit plan (244) (182) Net asset $ 3,574 $ 3,499 (1) For 2022, significant components of the Pension Plans’ actuarial loss (gain) that changed the benefit obligation were mainly related to updates in discount rates. (2) Other postretirement plan did not contain any assets as of December 31, 2023 and 2022.
Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block]	The following table presents information for the plans with a projected benefit obligation and accumulated benefit obligation in excess of plan assets for the years ended December 31, 2023 and 2022: December 31, 2023 December 31, 2022 (In thousands) Projected benefit obligation $ 49,793 $ 48,501 Accumulated benefit obligation 49,793 48,501 Fair value of plan assets 46,801 46,398
Schedule of Net Benefit Costs [Table Text Block]	Affected Line Item in the Consolidated Year Ended December 31, Statements of Income 2023 2022 2021 (In thousands) Net periodic benefit, pension plans: Interest cost Other expenses $ 3,800 $ 2,614 $ 2,473 Expected return on plan assets Other expenses (3,543) (4,158) (4,523) Net periodic cost (benefit), pension plans 257 (1,544) (2,050) Net periodic cost, postretirement plan Other expenses 25 8 6 Net periodic cost (benefit) $ 282 $ (1,536) $ (2,044) Year Ended December 31, 2023 2022 2021 Discount rate 5.43% 2.77% 2.36% Expected return on plan assets 4.80% 4.43% 5.99%
Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]	The following table presents the changes in pre-tax accumulated other comprehensive income of the Pension Plans and Postretirement Benefit Plan for the years ended December 31, 2023, 2022, and 2021: Year Ended December 31, 2023 2022 2021 (In thousands) Accumulated other comprehensive income (loss) at beginning of year, pension plans $ 1,974 $ 5,457 $ (404) Net gain (loss) 395 (3,483) 5,861 Accumulated other comprehensive income at end of year, pension plans 2,369 1,974 5,457 Accumulated other comprehensive loss at end of year, postretirement plan (155) (61) (29) Accumulated other comprehensive income at end of year $ 2,214 $ 1,913 $ 5,428
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]	Year Ended December 31, 2023 2022 2021 (In thousands) Net actuarial gain (loss), pension plans $ 395 $ (3,483) $ 5,861 Net actuarial loss, other postretirement benefit plan (111) (35) (2) Amortization of net loss 17 3 1 Net amount recognized $ 301 $ (3,515) $ 5,860
Schedule of Allocation of Plan Assets [Table Text Block]	The Pension Plans asset allocations by asset category are as follows as of the indicated dates: December 31, 2023 December 31, 2022 Asset category Investment in funds 97% 97% Other 3% 3% 100% 100%
Schedule of Expected Benefit Payments [Table Text Block]	Amount (In thousands) 2024 $ 6,386 2025 6,060 2026 6,071 2027 5,923 2028 5,692 2029 through 2033 27,144 $ 57,276