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Credit Facility (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Line of Credit Facility [Line Items] |  |  |
Long-term Line of Credit, Noncurrent, Net of Debt Issuance Costs | $ 1,381.4 |  | $ 610.6
Line of Credit Facility, Maximum Borrowing Capacity | 54.2 |  |
Letters of Credit Outstanding, Amount | 0.4 |  | 0.4
Uncommitted Facility, Maximum Borrowing Capacity | 400.0 |  |
Line of Credit [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Unamortized Debt Issuance Expense | 13.6 |  | 14.4
Long-term Line of Credit, Noncurrent, Net of Debt Issuance Costs | 1,381.4 |  | $ 610.6
Line of Credit Facility, Maximum Borrowing Capacity | 3,300.0 |  |
Line of Credit Facility, Average Outstanding Amount | $ 1,056.7 | $ 1,719.9 |
Pricing on the Facility based on market rates | ("SOFR") plus 0.875% to 1.35% |  |
Description of Variable Rate Basis | SOFR |  |
Basis spread on variable rate (in hundredths) | 0.98% |  |
Line of Credit Facility, Interest Rate During Period | 6.10% | 5.40% |

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- Definition Long-term Line of Credit, Noncurrent, Net of Debt Issuance Costs + References No definition available. + Details
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- Definition Uncommitted Facility, Maximum Borrowing Capacity + References No definition available. + Details
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X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition Description of interest rate for borrowing under credit facility. Includes, but is not limited to, terms and method for determining interest rate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition The effective interest rate during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References No definition available. + Details
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- Details
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