Senior Notes [Line Items]

No definition available.

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- Definition

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

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

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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

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Balance Type:	debit
Period Type:	instant

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Senior Notes (Details) - USD ($) $ in Thousands	3 Months Ended
Senior Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Sep. 21, 2021	Feb. 17, 2021
Debt Issuance Costs [Member]
Senior Notes [Line Items]
Unamortized Debt Issuance Expense	$ 19,300	$ 100
Senior Notes [Member]
Senior Notes [Line Items]
Initial borrowing in senior notes	$ 450,000		$ 450,000
Unamortized Debt Issuance Expense			$ 15,700
Debt Instrument, Redemption Price, Percentage	106.375%
Debt Instrument, Interest Rate, Stated Percentage			6.375%
Senior Notes [Member] \| Debt Issuance Costs [Member]
Senior Notes [Line Items]
Unamortized Debt Issuance Expense	$ 13,500