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Commitments and Contingencies - Contingent obligation (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) paymentInstallment | Dec. 31, 2022 USD ($)
Debt Instrument [Line Items] |  |
Contingent obligation | $ 0.0 | $ 0.0
E.ON Contingent Obligation | Other Liabilities |  |
Debt Instrument [Line Items] |  |
Contingent obligation – principal | (12.9) | (12.9)
Contingent obligation – accrued interest | (18.0) | (16.6)
Contingent obligation – derivative asset | $ 30.9 | $ 29.5
Long-term Debt | E.ON Contingent Obligation |  |
Debt Instrument [Line Items] |  |
Number of monthly installments | paymentInstallment | 72 |
Stated interest rate | 10.94% |
Realized gain (loss) on contingent obligation | $ 1.4 |

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- Definition Sum of the carrying values as of the balance sheet date of the E.ON Contingent Obligation which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. The E.ON contingent obligation consists of the aggregate E.ON payments. Obligation to make repayments is contingent upon certain operating criteria. When the conditions for repayment are met, and for so long so those conditions continue to be met, there is obligation to make principal and interest payments. + References No definition available. + Details
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- Definition This amount represents the accrued interest on the E.ON contingent obligation, which is defined as the sum of the carrying values as of the balance sheet date of the E.ON Contingent Obligation which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. The E.ON contingent obligation consists of the aggregate E.ON payments. Obligation to make repayments is contingent upon certain operating criteria. When the conditions for repayment are met, and for so long so those conditions continue to be met, there is obligation to make principal and interest payments. + References No definition available. + Details
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- Definition This amount represents the principal amount of the E.ON contingent obligation, which is defined as the sum of the carrying values as of the balance sheet date of the E.ON Contingent Obligation which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. The E.ON contingent obligation consists of the aggregate E.ON payments. Obligation to make repayments is contingent upon certain operating criteria. When the conditions for repayment are met, and for so long so those conditions continue to be met, there is obligation to make principal and interest payments. + References No definition available. + Details
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