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Note 8 - Employee Retirement Plans - Expected Benefit Payments (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
2022 $ 5,911
2023 5,863
2024 5,816
2025 5,746
2026 5,648
2027 – 2031 26,188
Total 10-year estimated future benefit payments $ 55,172