Senior Notes (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2023	Feb. 17, 2021
The Notes \| Senior Notes [Member]
Senior Notes [Line Items]
Additional percentage of principal amount redeemed	100.00%
Percentage of principal amount purchased	101.00%
Senior Notes [Member]
Senior Notes [Line Items]
Initial borrowing in senior notes	$ 450,000	$ 450,000
Unamortized Debt Issuance Expense	$ 10,600	$ 15,700
Debt Instrument, Redemption Price, Percentage	106.375%
Interest rate, stated percentage		6.375%
Senior note redemption price, percent	40.00%

Debt Instrument, Redemption Price, Additional Percentage of Principal Amount Redeemed

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- Definition

Debt Instrument, Redemption Price, Percentage of Principal Amount Purchased

+ References

No definition available.

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- Definition

Senior Notes [Line Items]

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

+ References

No definition available.

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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.

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