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PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS - SCHEDULE OF PENSION PLAN ASSETS WITHIN THE FAIR VALUE HIERARCHY (Details) - Pension Benefits  - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	$ 836,843	$ 848,432	$ 1,098,191
Fair Value, Measurements, Recurring
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	836,843	848,432
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	793,732	818,510
Fair Value, Measurements, Recurring | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	909	327
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	42,202	29,595
Fair Value, Measurements, Recurring | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	43,711	30,488
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	600	566
Fair Value, Measurements, Recurring | Cash and cash equivalents | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	909	327
Fair Value, Measurements, Recurring | Cash and cash equivalents | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	42,202	29,595
Fair Value, Measurements, Recurring | Cash and cash equivalents | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | International all-cap
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	395
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	395
Fair Value, Measurements, Recurring | International all-cap | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0
Fair Value, Measurements, Recurring | International all-cap | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0
Fair Value, Measurements, Recurring | International all-cap | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0
Fair Value, Measurements, Recurring | Global all-cap
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	209,245	206,636
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	209,245	206,636
Fair Value, Measurements, Recurring | Global all-cap | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Global all-cap | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Global all-cap | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | U.S. government/agency
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	186,095	173,122
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	186,095	173,122
Fair Value, Measurements, Recurring | U.S. government/agency | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | U.S. government/agency | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | U.S. government/agency | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	60,293	58,646
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	60,293	58,646
Fair Value, Measurements, Recurring | Corporate bonds | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Corporate bonds | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Corporate bonds | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | International government/corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	29,254	26,489
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	29,254	26,489
Fair Value, Measurements, Recurring | International government/corporate bonds | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | International government/corporate bonds | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | International government/corporate bonds | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Diversified credit
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	123,081	109,926
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	123,081	109,926
Fair Value, Measurements, Recurring | Diversified credit | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Diversified credit | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Diversified credit | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Global diversified assets
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	68,856	95,243
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	68,856	95,243
Fair Value, Measurements, Recurring | Global diversified assets | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Global diversified assets | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Global diversified assets | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Real assets fund
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	115,913	147,882
Defined Benefit Plan, Plan Assets Measured at Net Asset Value	115,913	147,882
Fair Value, Measurements, Recurring | Real assets fund | Quoted prices in active markets of identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Real assets fund | Significant other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
Fair Value, Measurements, Recurring | Real assets fund | Significant other unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	$ 0	$ 0

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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.

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