EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions - Actuarial Gains and Losses (Details) - Postretirement Medical Benefit Plans $ in Thousands |
3 Months Ended |
|---|---|
|
Mar. 31, 2026
USD ($)
| |
| Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax [Roll Forward] | |
| Amounts included in accumulated other comprehensive income at beginning of period | $ 161 |
| Amortization of prior service credit into other income | 0 |
| Amounts included in accumulated other comprehensive income at end of period | $ 161 |