Debt Covenant Potential Decrease To Applicable Margin

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- Definition

Debt Covenant Potential Decrease To Sustainability Fee

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- Definition

Debt Covenant Potential Increase To Applicable Margin

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- Definition

Debt Covenant Potential Increase To Sustainability Fee

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- Definition

Debt Issuance Costs, Amortization Term

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- Definition

Maximum Percentage Of Capital Stock Guaranteed By Companys Material Non US Subsidiaries For Obligations Under The Senior Credit Facility

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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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.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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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.

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Debt and Credit Arrangements - Senior Secured Revolving Credit Facility (Details) - USD ($)		12 Months Ended
	Oct. 18, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument
Financing costs amortization		$ 8,300,000	$ 4,300,000	$ 3,000,000.0
Revolving Credit Facility
Debt Instrument
Potential increase to applicable margin (percent)	0.05%
Potential decrease to applicable margin (percent)	0.025%
Potential increase to sustainability fee (percent)	0.01%
Potential decrease to sustainability fee (percent)	0.01%
Maximum percentage of capital stock guaranteed by company		65.00%
Debt issuance costs		$ 3,000,000.0
Unamortized debt issuance costs		0	5,000,000.0
Financing costs amortization		7,400,000	3,600,000	2,000,000.0
Revolving Credit Facility \| LIBOR \| Minimum
Debt Instrument
Debt instrument variable rate (percent)	1.25%
Commitment fee (percent)	0.20%
Revolving Credit Facility \| LIBOR \| Maximum
Debt Instrument
Debt instrument variable rate (percent)	2.25%
Commitment fee (percent)	0.35%
Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument
Debt instrument variable rate (percent)	0.25%
Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument
Debt instrument variable rate (percent)	1.25%
Revolving Credit Facility \| Senior secured revolving credit facility 2024
Debt Instrument
Maximum borrowing capacity	$ 1,000,000,000
Unamortized debt issuance costs		$ 8,700,000
Debt issuance cost, amortization term (term)		5 years
Financing costs amortization		$ 300,000	0	$ 0
Revolving Credit Facility \| Senior secured revolving credit facility 2024 \| Scenario, Adjustment
Debt Instrument
Unamortized debt issuance costs		$ 5,900,000	$ 200,000