Cash Paid To Settle Interest Rate Swap Agreements

No definition available.

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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.

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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

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

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of interest capitalized during the period.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Debt (Narrative) (Details)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
Debt (Narrative) (Details)	Aug. 31, 2020 USD ($)	Sep. 30, 2020 USD ($) contract	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) contract	Sep. 30, 2019 USD ($)	Dec. 31, 2019
Debt Instrument [Line Items]
Loss on early extinguishment of debt		$ 0	$ 0	$ 9,336,000	$ 0
Interest paid		12,800,000	17,800,000	41,800,000	49,700,000
Interest costs capitalized		$ 200,000	$ 500,000	$ 600,000	$ 1,600,000
Forward starting interest rate swaps
Debt Instrument [Line Items]
Number of swap agreements \| contract		4		4
Notional amount of interest rate swap agreements		$ 200,000,000		$ 200,000,000
Cash paid to settle interest rate swap agreements	$ 19,900,000
Unsecured Debt \| $300 Million Unsecured 2020 Term Loan
Debt Instrument [Line Items]
Face amount of debt instrument		300,000,000		300,000,000
$300 Million 2020 Senior Notes \| Unsecured Debt
Debt Instrument [Line Items]
Face amount of debt instrument	$ 300,000,000	300,000,000		$ 300,000,000
Stated rate (percent)	3.15%
Proceeds from issuance of debt	$ 297,700,000
Debt instrument, discount	$ 2,300,000
Debt instrument, term	10 years
Debt instrument, redemption price, percentage				100.00%
$250 Million Unsecured 2018 Term Loan \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate (percent)				0.95%		1.60%
$250 Million Unsecured 2018 Term Loan \| Unsecured Debt
Debt Instrument [Line Items]
Face amount of debt instrument		250,000,000		$ 250,000,000
$250 Million Unsecured 2018 Term Loan \| Unsecured Debt \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate (percent)				0.95%
$160 Million Fixed Rate Loan \| Secured Debt
Debt Instrument [Line Items]
Face amount of debt instrument		$ 160,000,000		$ 160,000,000
Stated rate (percent)		3.48%		3.48%
$500 Million Unsecured 2018 Line of Credit \| Unsecured Debt
Debt Instrument [Line Items]
Face amount of debt instrument		$ 500,000,000		$ 500,000,000
$500 Million Unsecured 2018 Line of Credit \| Unsecured Debt \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate (percent)				0.90%