Debt Instrument, Annual Amortization, Percent, After First Year

No definition available.

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- Definition

Debt Instrument, Amortization, Percent

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Issuance Price, Percentage Of Principal Amount

+ References

No definition available.

+ Details

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- Definition

Loan Issuance Costs, Incurred

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

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- Definition

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

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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

No definition available.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ 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.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

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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- 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.

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Notes Payable and Credit Agreement (Details) - USD ($)					2 Months Ended
Notes Payable and Credit Agreement (Details) - USD ($)	Nov. 04, 2020	Oct. 20, 2020	Aug. 13, 2020	Feb. 14, 2020	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Oct. 01, 2019	Jun. 14, 2019	Feb. 09, 2018
Line of Credit
Debt Instrument [Line Items]
Fees paid to lenders and other third parties						$ 3,899,000
Unamortized financing fees						$ 1,681,000
Senior Notes \| 4.625% Senior Notes Due 2027
Debt Instrument [Line Items]
Interest rate			4.625%					4.625%
Carrying amount			$ 200,000,000		$ 500,000,000		$ 300,000,000	$ 300,000,000
Issuance price, percentage of principal amount			101.00%
Payments of debt issuance fees and expenses					2,717,000
Senior Notes \| 4.000% Senior Notes Due 2029 \| Subsequent Event
Debt Instrument [Line Items]
Interest rate		4.00%
Carrying amount		$ 350,000,000
Payments of debt issuance fees and expenses		$ 4,500,000
Senior Notes \| 5.125% Senior Notes Due 2024 \| Subsequent Event
Debt Instrument [Line Items]
Interest rate	5.125%
Extinguishment of debt, amount	$ 325,000,000
The Credit Facilities \| Line of Credit \| London Interbank Offered Rate (LIBOR) \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate				1.00%
The Credit Facilities \| Line of Credit \| London Interbank Offered Rate (LIBOR) \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate				1.75%
The Credit Facilities \| Line of Credit \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate				0.00%
The Credit Facilities \| Line of Credit \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate				0.75%
Senior Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 400,000,000
Letters of credit \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity										50,000,000
Swingline loans \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 50,000,000
Term Loan \| Line of Credit
Debt Instrument [Line Items]
Percent of term loan amortized in year one				2.50%
Percent of term loan amortized after year one				5.00%
Extinguishment of debt, amount					$ 200,000,000
Term Loan \| Term Debt
Debt Instrument [Line Items]
Term loan credit facility				$ 250,000,000					$ 150,000,000