Represents the term of extension option of the debt instrument.

No definition available.

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- Definition

Represents the amount of line of credit maximum borrowing capacity as a percentage of maximum principal amount.

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

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

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.

+ References

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

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

+ References

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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.

+ Details

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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

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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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.

+ References

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- Definition

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

+ References

No definition available.

+ Details

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Debt - Additional Information (Details) - USD ($)		3 Months Ended
Debt - Additional Information (Details) - USD ($)	Aug. 07, 2018	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2019	Dec. 31, 2018	Jul. 07, 2016
Debt
Long-term debt, gross				$ 1,560,754,000		$ 1,548,662,000
Interest expense, debt		$ 15,700,000	$ 15,900,000
Long-term debt				1,545,661,000		$ 1,532,853,000
2018 Credit Agreement Amendment
Debt
Current borrowing capacity	$ 1,100,000,000
Maximum borrowing capacity as a percentage of maximum principal amount	10.00%
Accordion feature, increase limit	$ 500,000,000
Maximum borrowing capacity under accordion feature	1,600,000,000
Unused fee (as a percent)		0.25%
2018 Credit Agreement Amendment \| London Interbank Offered Rate (LIBOR)
Debt
Reference rate (as a percent)		1.10%
Revolving credit facility
Debt
Current borrowing capacity				605,500,000
Term of extension option		1 year
Amount outstanding				236,000,000.0
Revolving credit facility \| Operating Partnership
Debt
Interest rate at end of period (as a percent)		3.82%
Revolving credit facility \| London Interbank Offered Rate (LIBOR) \| Operating Partnership
Debt
Reference rate (as a percent)		2.49%
Term Loan
Debt
Amount outstanding				250,000,000.0			$ 250,000,000.0
Term Loan \| 2018 Credit Agreement Amendment
Debt
Current borrowing capacity	$ 250,000,000
Debt instrument, term	7 years
Unsecured Debt \| 2018 Credit Agreement Amendment \| London Interbank Offered Rate (LIBOR)
Debt
Reference rate (as a percent)		1.25%
Letter of Credit
Debt
Amount outstanding				8,500,000
Senior notes
Debt
Long-term debt				975,000,000.0
Senior notes \| Senior Notes Due 2023
Debt
Long-term debt				15,000,000.0
Senior notes \| Senior Notes Due 2025
Debt
Long-term debt				25,000,000.0
Senior notes \| Senior Notes Due 2026
Debt
Long-term debt				70,000,000.0
Senior notes \| Senior Notes Due 2027
Debt
Long-term debt				425,000,000.0
Senior notes \| Senior Notes Due 2028
Debt
Long-term debt				395,000,000.0
Senior notes \| Senor Notes Due 2031
Debt
Long-term debt				$ 45,000,000.0
Interest Rate Swap \| Unsecured Debt \| London Interbank Offered Rate (LIBOR)
Debt
Effective fixed interest rate (as a percent)		1.07%			2.32%		1.07%
Interest rate (as a percent)		2.32%
Maximum \| Revolving credit facility \| 2018 Credit Agreement Amendment
Debt
Current borrowing capacity	$ 850,000,000