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EMPLOYEE BENEFIT PLANS - ESTIMATED SUBSIDY PAYMENTS (Details) $ in Thousands | Sep. 30, 2020 USD ($)
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Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt [Abstract] |
2021 | $ 292
2022 | 316
2023 | 349
2024 | 384
2025 | 420
2026 - 2030 | $ 2,789

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