Debt instrument effective date.

No definition available.

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Data Type:	xbrli:dateItemType
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Period Type:	duration

- Definition

Debt instrument interest rate adjustable based on pricing grid percentage.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Debt instrument percentage of reference rate for calculation of fixed interest rate.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Debt Instrument variable interest rate.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

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

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
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Balance Type:	na
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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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

+ Details

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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

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

+ Details

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- Details

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- Details

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- Details

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Debt - Australian Term Loan - Additional Information (Detail)	Jun. 27, 2019	May 23, 2019 AUD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Feb. 01, 2017 USD ($)
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 500,000,000
Accounts Payable and Accrued Expenses
Debt Instrument [Line Items]
Derivative liability			$ 51,300,000	$ 5,600,000
Term Loan [Member] \| Bank of America, N.A \| Australia [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,200,000,000
Debt instrument maturity date		May 23, 2024
Debt instrument effective date	Jul. 03, 2019
Effective interest rate	1.20%
Senior unsecured notes, interest rate	2.45%
Reference rate	0.00%
Term Loan [Member] \| Bank of America, N.A \| Australia [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Applicable margin adjustable based on pricing grid, percentage		0.85%
Term Loan [Member] \| Bank of America, N.A \| Australia [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Applicable margin adjustable based on pricing grid, percentage		1.65%
Term Loan [Member] \| Bank of America, N.A \| Australia [Member] \| Credit Rating
Debt Instrument [Line Items]
Variable interest rate	1.25%