Redemption senior unsecured notes make whole amount.

No definition available.

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- Definition

Repayment of unsecured term loan.

+ References

No definition available.

+ Details

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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

Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: 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(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: 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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

+ Details

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Indebtedness - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2018	Sep. 30, 2018	Sep. 30, 2017	Feb. 28, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Mortgage indebtedness		$ 185,004			$ 641,082
Repayments of senior notes		947,014	$ 958,509
Repayment of outstanding mortgage debt		$ 759,970	$ 434,240
Loan Agreement \| Promissory Notes [Member]
Debt Instrument [Line Items]
Mortgage indebtedness	$ 1,350,000			$ 1,350,000
Senior Unsecured Notes with Maturity Dates Ranging from July 2018 to February 2025 [Member] \| Promissory Notes [Member]
Debt Instrument [Line Items]
Repayments of senior notes	900,000
Payment on redemption of senior notes	28,400
Senior Unsecured Notes with Maturity Dates Ranging from July 2018 to February 2025 [Member] \| Mortgages indebtedness [Member]
Debt Instrument [Line Items]
Repayment of outstanding mortgage debt	452,500
Repayment of unsecured term loan	$ 200,000