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Retirement Plans - Estimated Future Benefit Payments (Details 14)
$ in Thousands
Dec. 31, 2019
USD ($)
Post-Retirement Life Insurance Plan  
Estimated Future Benefit Payments  
2020 $ 393
2021 377
2022 362
2023 347
2024 332
2025-2029 1,468
Total 3,279
Foreign Plan  
Estimated Future Benefit Payments  
2020 46
2021 54
2022 82
2023 69
2024 84
2025-2029 715
Total 1,050
UNITED STATES  
Estimated Future Benefit Payments  
2020 15,514
2021 15,399
2022 15,218
2023 14,983
2024 14,706
2025-2029 68,594
Total $ 144,414