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Note 9 - Employee Retirement Plans - Expected Benefit Payments (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
2021 $ 5,860
2022 5,833
2023 5,777
2024 5,762
2025 5,686
2026 – 2030 26,605
Total 10-year estimated future benefit payments $ 55,523