EMPLOYEE BENEFIT PLANS (Schedule of Components of Pension Expense, the Funded Status of the Plan, Amounts Recognized in the Consolidated Statements of Financial Condition, and Major Assumptions) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Sep. 30, 2023 |
Sep. 30, 2022 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Change in Projected Benefit Obligation: | |||||||||
| Actuarial Loss (Gain) | $ (4,905,000) | $ (4,223,000) | $ (31,339,000) | ||||||
| Components of Net Periodic Benefit Costs: | |||||||||
| Net Loss Settlements | $ 0 | $ 209,000 | $ (291,000) | $ 378,000 | $ (291,000) | $ 480,000 | (291,000) | 2,321,000 | 3,072,000 |
| Defined benefit pension plan [Member] | |||||||||
| Change in Projected Benefit Obligation: | |||||||||
| Benefit Obligation at Beginning of Year | 108,151,000 | 172,508,000 | 108,151,000 | 172,508,000 | 108,151,000 | 172,508,000 | 108,151,000 | 172,508,000 | 212,566,000 |
| Service Cost | 3,488,000 | 6,289,000 | 6,971,000 | ||||||
| Interest Cost | 5,831,000 | 4,665,000 | 4,885,000 | ||||||
| Actuarial Loss (Gain) | 6,936,000 | (39,962,000) | (14,934,000) | ||||||
| Benefits Paid | (3,843,000) | (2,139,000) | (2,087,000) | ||||||
| Expenses Paid | (276,000) | (416,000) | (259,000) | ||||||
| Settlements | 0 | (32,794,000) | (34,634,000) | ||||||
| Projected Benefit Obligation at End of Year | 120,287,000 | 108,151,000 | 172,508,000 | ||||||
| Change in Plan Assets: | |||||||||
| Fair Value of Plan Assets at Beginning of Year | $ 104,276,000 | $ 165,274,000 | $ 104,276,000 | $ 165,274,000 | $ 104,276,000 | $ 165,274,000 | 104,276,000 | 165,274,000 | 171,775,000 |
| Actual Return (Loss) on Plan Assets | 19,138,000 | (25,649,000) | 30,479,000 | ||||||
| Employer Contributions | 6,000,000 | 0 | 0 | ||||||
| Benefits Paid | (3,843,000) | (2,139,000) | (2,087,000) | ||||||
| Expenses Paid | (276,000) | (416,000) | (259,000) | ||||||
| Settlements | 0 | (32,794,000) | (34,634,000) | ||||||
| Fair Value of Plan Assets at End of Year | 125,295,000 | 104,276,000 | 165,274,000 | ||||||
| Funded Status of Plan and Accrued Liability Recognized at End of Year: | |||||||||
| Other (Assets) | (5,008,000) | ||||||||
| Other Liabilities | 3,875,000 | 7,234,000 | |||||||
| Accumulated Benefit Obligation at End of Year | 102,642,000 | 91,770,000 | 149,569,000 | ||||||
| Components of Net Periodic Benefit Costs: | |||||||||
| Service Cost | 3,488,000 | 6,289,000 | 6,971,000 | ||||||
| Interest Cost | 5,831,000 | 4,665,000 | 4,885,000 | ||||||
| Expected Return on Plan Assets | (6,805,000) | (10,701,000) | (11,147,000) | ||||||
| Amortization of Prior Service Costs | 5,000 | 15,000 | 15,000 | ||||||
| Net Loss Amortization | 934,000 | 1,713,000 | 6,764,000 | ||||||
| Net Loss Settlements | 0 | 2,321,000 | 3,072,000 | ||||||
| Net Periodic Benefit Cost | $ 3,453,000 | $ 4,302,000 | $ 10,560,000 | ||||||
| Weighted-average assumptions used to determine benefit obligations: | |||||||||
| Discount Rate (in percent) | 5.29% | 5.63% | 3.11% | ||||||
| Rate of Compensation Increase (in percent) | 5.10% | 5.10% | 4.40% | ||||||
| Measurement Date | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | ||||||
| Weighted-Average Assumptions Used to Determine Benefit Cost: | |||||||||
| Discount Rate (in percent) | 5.63% | 3.11% | 2.88% | ||||||
| Expected Return on Plan Assets (in percent) | 6.75% | 6.75% | 6.75% | ||||||
| Rate of Compensation Increase (in percent) | 5.10% | 4.40% | 4.00% | ||||||
| Amortization Amounts from Accumulated Other Comprehensive Loss: | |||||||||
| Net Actuarial Loss (Gain) | $ (5,397,000) | $ (3,612,000) | $ (34,265,000) | ||||||
| Prior Service Cost | (5,000) | (15,000) | (15,000) | ||||||
| Net Loss | (934,000) | (4,034,000) | (9,836,000) | ||||||
| Deferred Tax (Benefit) Expense | 1,606,000 | 1,942,000 | 11,183,000 | ||||||
| Other Comprehensive Gain, net of tax | (4,730,000) | (5,719,000) | (32,933,000) | ||||||
| Amounts Recognized in Accumulated Other Comprehensive Loss: | |||||||||
| Net Actuarial Losses | 1,322,000 | 7,653,000 | 15,300,000 | ||||||
| Prior Service Cost | 0 | 5,000 | 20,000 | ||||||
| Deferred Tax Benefit (Expense) | (335,000) | (1,941,000) | (3,884,000) | ||||||
| Accumulated Other Comprehensive Loss, net of tax | $ 987,000 | $ 5,717,000 | $ 11,436,000 | ||||||
| X | ||||||||||
- Definition Represents the deferred tax benefit recongized by accumulated other comprehensive income. No definition available.
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| X | ||||||||||
- Definition Represents the amounts in accumulated other comprehensive income related to deferred tax benefit recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented. No definition available.
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| X | ||||||||||
- Definition Defined Benefit Plan Benefit Obligation Expenses Paid No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Month-end measurement date applicable when an accounting policy election is made to measure plan assets and benefit obligations as of the month-end that is closest to the fiscal year-end, in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of administration expense of defined benefit plan which decreases plan assets. Excludes plan administration expense paid by employer. No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount included in accumulated other comprehensive income (loss) for transition asset (obligation) expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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