Consolidated leverage ratio.

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Debt Instrument, Applicable Rate Based On Variable Rate

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Debt Instrument, Covenant, EBITDA Requirement

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Debt Instrument, Covenant, Material Acquisition Consideration Threshold

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Debt Instrument, Interest Coverage Ratio

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Debt instrument repurchase percentage of principle and interest amount.

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Ratio of Indebtedness To Equity

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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

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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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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.

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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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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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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 cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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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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No definition available.

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DEBT - Additional Information (Detail)		1 Months Ended	3 Months Ended				12 Months Ended
DEBT - Additional Information (Detail)	Nov. 09, 2020	Apr. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2022 USD ($)	Nov. 24, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Unamortized debt issuance costs			$ 11,100,000		$ 14,000,000.0		$ 11,100,000	$ 14,000,000.0			$ 7,100,000
Repurchase price percentage of principle and interest amount							101.00%
Revolving credit facility \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount											$ 600,000,000
Debt instrument, interest rate										3.88%	5.38%
Credit Agreement Amended Sept 2021 \| Line of credit
Debt Instrument [Line Items]
Issuance costs					4,100,000			4,100,000
Amortization of debt issuance costs								200,000
Interest coverage ratio							3.00
EBITDA requirement amount			$ 100,000,000	$ 9,200,000	19,700,000	$ 61,000,000
Payments of debt issuance costs		$ 400,000
Leverage ratio			3.28				3.28
Facility fee percentage							0.20%
Credit Agreement Amended Sept 2021 \| Line of credit \| Eurodollar
Debt Instrument [Line Items]
Applicable rate based on variable rate							1.30%
Credit Agreement Amended Sept 2021 \| Line of credit \| Base Rate
Debt Instrument [Line Items]
Applicable rate based on variable rate							0.30%
Credit Agreement Amended Sept 2021 \| Line of credit \| Quarters ending before Sept 30, 2022
Debt Instrument [Line Items]
Maximum consolidated leverage ratio							425.00%
Credit Agreement Amended Sept 2021 \| Line of credit \| Quarters ending after Sept 30, 2022
Debt Instrument [Line Items]
Maximum consolidated leverage ratio							400.00%
Material acquisition threshold									$ 200,000,000
Credit Agreement Amended Sept 2021 \| Line of credit \| Quarters with Material Acquisition
Debt Instrument [Line Items]
Maximum consolidated leverage ratio							450.00%
Credit Agreement Amended Sept 2021 \| $200 million term loan, due in 2026 \| Line of credit
Debt Instrument [Line Items]
Long-term debt			$ 200,000,000		200,000,000.0		$ 200,000,000	200,000,000.0
Maximum borrowing capacity of line of credit facility			200,000,000				200,000,000
Existing Credit Agreement \| Line of credit
Debt Instrument [Line Items]
Amortization of debt issuance costs								500,000
$500 million Senior Notes, due in 2029 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt			500,000,000.0		$ 500,000,000.0		500,000,000.0	$ 500,000,000.0
Issuance costs										$ 5,800,000
Aggregate principal amount			$ 500,000,000				$ 500,000,000			$ 500,000,000
Debt instrument, interest rate			3.88%		3.88%		3.88%	3.88%
Debt instrument, redemption price, percentage	100.00%
$500 million Senior Notes, due in 2029 \| Senior Notes \| Equity offering
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	103.88%
$500 million Senior Notes, due in 2029 \| Senior Notes \| Equity offering \| Maximum
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed	40.00%