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Investments (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Investment [Line Items] |  |  |
Due to Affiliate | $ 44,200,000 | $ 44,700,000 |
Related Party Transaction, Purchases from Related Party | 135,100,000 | 91,000,000 | $ 102,600,000
Commercial Paper | 0 | 51,200,000 |
Financial Instruments, Owned, US Government and Agency Obligations, at Fair Value | 800,000 | 800,000 |
Available-for-sale Securities | 800,000 | 56,700,000 |
Special Assessment Bond, Current | 0 | $ 4,700,000 |
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities | $ 55,900,000 |  |
TMC [Member] |  |  |
Investment [Line Items] |  |  |
Percentage of Ownership in Bella | 50.00% |  |

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