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Senior Notes Aggregate Maturities (Details) - Senior Notes [Member] - USD ($) | Dec. 31, 2021 | May 13, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Principal Maturity |  |  |
2022 | $ 0 |  |
2023 | 0 |  |
2024 | 0 |  |
2025 | 0 |  |
2026 | 0 |  |
Thereafter | 400,000,000 |  |
Principal Maturity | 400,000,000 | $ 400,000,000 |
Discount Amortization |  |  |
2020 | (493,000) |  |
2021 | (515,000) |  |
2022 | (539,000) |  |
2023 | (563,000) |  |
2024 | (588,000) |  |
Thereafter | (1,501,000) |  |
Discount Amortization | (4,199,000) |  | $ (3,582,000)
Carrying Value |  |  |
2020 | (493,000) |  |
2021 | (515,000) |  |
2022 | (539,000) |  |
2023 | (563,000) |  |
2024 | (588,000) |  |
Thereafter | 398,499,000 |  |
Carrying Value | $ 395,801,000 |  |

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