The additional commitment increase under the credit facility available upon request.

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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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

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
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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ 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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Debt Obligations - Additional Information (Details) - USD ($)	1 Months Ended		9 Months Ended
	May 31, 2018	Apr. 30, 2018	Sep. 30, 2018
5 7/8% Senior Notes due April 2026 [Member] \| Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued		$ 1,000,000,000
Interest rate on fixed rate debt		5.875%
Maturity date		Apr. 30, 2026
Net proceeds from private placement of notes		$ 991,900,000
TRC Revolver [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 670,000,000
Line Of Credit Additional Commitment Increase Available Upon Request			200,000,000
Write off debt issuance cost			$ 700,000
TRP Revolver [Member]
Debt Instrument [Line Items]
Maturity date	Oct. 31, 2020		Jun. 30, 2023
Maximum borrowing capacity	$ 1,600,000,000		$ 2,200,000,000
Line Of Credit Additional Commitment Increase Available Upon Request			500,000,000
Write off debt issuance cost			$ 1,300,000
TRP Revolver [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
TRP Revolver [Member] \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
TRP Revolver [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.25%
TRP Revolver [Member] \| Minimum [Member] \| Letters of Credit [Member]
Debt Instrument [Line Items]
Interest rate on fixed rate debt			1.25%
TRP Revolver [Member] \| Minimum [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.125%
TRP Revolver [Member] \| Minimum [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member] \| Letters of Credit [Member]
Debt Instrument [Line Items]
Interest rate on fixed rate debt			1.125%
TRP Revolver [Member] \| Minimum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			0.25%
TRP Revolver [Member] \| Minimum [Member] \| Base Rate [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			0.125%
TRP Revolver [Member] \| Minimum [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.25%
TRP Revolver [Member] \| Minimum [Member] \| Eurodollar [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.125%
TRP Revolver [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.375%
TRP Revolver [Member] \| Maximum [Member] \| Letters of Credit [Member]
Debt Instrument [Line Items]
Interest rate on fixed rate debt			2.25%
TRP Revolver [Member] \| Maximum [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.35%
TRP Revolver [Member] \| Maximum [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member] \| Letters of Credit [Member]
Debt Instrument [Line Items]
Interest rate on fixed rate debt			1.75%
TRP Revolver [Member] \| Maximum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.25%
TRP Revolver [Member] \| Maximum [Member] \| Base Rate [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			0.75%
TRP Revolver [Member] \| Maximum [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			2.25%
TRP Revolver [Member] \| Maximum [Member] \| Eurodollar [Member] \| Non-Credit-Enhanced Senior Unsecured Long-Term Debt Ratings [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.75%