Debt extension period

No definition available.

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Balance Type:	na
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- Definition

The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt (Unsecured Credit Facility Narrative) (Details) - USD ($)	1 Months Ended	12 Months Ended
	Oct. 31, 2019	Dec. 31, 2020	Oct. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Debt issuance costs, net		$ 6,034,000		$ 8,033,000
Weighted average interest rate		2.85%
Unsecured Credit Facility
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity			$ 1,950,000,000
Outstanding debt		$ 1,100,000,000
Weighted average interest rate		2.65%
Term Loan
Debt Instrument [Line Items]
Outstanding debt		$ 700,000,000.0
Unsecured Credit Facility Two
Debt Instrument [Line Items]
Debt extension period	1 year
Unsecured Credit Facility Two \| Term Loan
Debt Instrument [Line Items]
Debt issuance costs, net		7,100,000
Unsecured Credit Facility Two \| Term Loan A Maturing December 17 2024
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	$ 225,000,000
Unsecured Credit Facility Two \| Term Loan B Maturing April 27 2025
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	225,000,000
Unsecured Credit Facility Two \| Term Loan C Maturing October 18 2026
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	250,000,000
Unsecured Credit Facility Two \| Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Outstanding debt		392,300,000
Unsecured Credit Facility Two \| Revolving Credit Facility Maturing December 17 2023
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	1,000,000,000.0				$ 1,700,000,000
Additional contingent borrowing capacity, maximum					$ 2,200,000,000
Unsecured Credit Facility Two \| Various Foreign Currency
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	$ 300,000,000
Unsecured Credit Facility Two \| Letter of Credit
Debt Instrument [Line Items]
Letter of credit outstanding		$ 3,500,000
Unsecured Credit Facility Two \| Minimum \| Term Loan C Maturing October 18 2026 \| LIBOR
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate	1.50%
Unsecured Credit Facility Two \| Minimum \| Term Loan C Maturing October 18 2026 \| Base Rate
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate	0.50%
Unsecured Credit Facility Two \| Minimum \| Term Loan A and Term Loan B \| LIBOR
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.20%
Unsecured Credit Facility Two \| Minimum \| Term Loan A and Term Loan B \| Base Rate
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		0.20%
Unsecured Credit Facility Two \| Minimum \| Revolving Credit Facility Maturing December 17 2023 \| LIBOR
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.25%
Unsecured Credit Facility Two \| Minimum \| Revolving Credit Facility Maturing December 17 2023 \| Base Rate
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		0.25%
Unsecured Credit Facility Two \| Maximum \| Term Loan C Maturing October 18 2026 \| LIBOR
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate	1.85%
Unsecured Credit Facility Two \| Maximum \| Term Loan C Maturing October 18 2026 \| Base Rate
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate	0.85%
Unsecured Credit Facility Two \| Maximum \| Term Loan A and Term Loan B \| LIBOR
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.80%
Unsecured Credit Facility Two \| Maximum \| Term Loan A and Term Loan B \| Base Rate
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		0.80%
Unsecured Credit Facility Two \| Maximum \| Revolving Credit Facility Maturing December 17 2023 \| LIBOR
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.85%
Unsecured Credit Facility Two \| Maximum \| Revolving Credit Facility Maturing December 17 2023 \| Base Rate
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		0.85%