XML 153 R137.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Retirement Plans - Future Benefit Payments (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Pension Plans  
Expected future benefit payments used to determine projected benefit obligations  
2020 $ 168,945
2021 0
2022 0
2023 0
2024 0
2025 - 2029 0
Total 168,945
Postretirement Plans  
Expected future benefit payments used to determine projected benefit obligations  
2020 623
2021 594
2022 563
2023 518
2024 484
2025 - 2029 1,866
Total $ 4,648