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RETIREMENT BENEFITS - Participation in Multiemployer Defined Benefit Pension Plan (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Multiemployer Plans, Pension |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
All other funds contribution cost | $ 2,710 | $ 3,266 | $ 2,163
Contributions | 12,423 | $ 12,667 | $ 12,928
Heavy and General Construction Laborers Local 472 and Local 172 | Unionized Employees Concentration Risk | Multiemployer Plan, Plan Contributions |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Concentration risk, percentage |  | 5.00% | 5.00%
Heavy and General Construction Laborers Local 472 and Local 172 | Multiemployer Plans, Pension |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Contribution cost | 4,358 | $ 4,324 | $ 5,119
International Union of Operating Engineers Local 825 | Multiemployer Plans, Pension |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Contribution cost | 3,016 | $ 2,789 | $ 4,381
Pension Trust Fund for Operating Engineers | Unionized Employees Concentration Risk | Multiemployer Plan, Plan Contributions |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Concentration risk, percentage |  | 5.00% | 5.00%
Pension Trust Fund for Operating Engineers | Multiemployer Plans, Pension |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Contribution cost | $ 2,339 | $ 2,288 | $ 1,265
Red Zone |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Multiemployer plan, collective-bargaining arrangement, percentage of contributions required for multiple collective-bargaining arrangements | 65.00% |  |
Orange Zone |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Multiemployer plan, collective-bargaining arrangement, percentage of contributions required for multiple collective-bargaining arrangements | 80.00% |  |
Yellow Zone |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Multiemployer plan, collective-bargaining arrangement, percentage of contributions required for multiple collective-bargaining arrangements | 80.00% |  |
Green Zone |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Multiemployer plan, collective-bargaining arrangement, percentage of contributions required for multiple collective-bargaining arrangements | 80.00% |  |

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