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Investment in Limited Partnership - Estimated Premiums to be Paid on Life Settlement Contracts (Details) - WE Investment
$ in Thousands
Feb. 29, 2020
USD ($)
Investments in and Advances to Affiliates [Line Items]  
2020 $ 75,658
2021 103,320
2022 98,892
2023 92,877
2024 87,758
Thereafter 570,897
Total $ 1,029,402