Accumulated other comprehensive income loss reclassified into interest expense next twelve months.

No definition available.

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959

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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

The number of derivative instruments of a particular group held by the entity.

+ References

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- Definition

Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
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-Publisher FASB
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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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Derivative Instruments and Hedging Activities - Additional Information (Details)	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 19, 2017 USD ($)	Jun. 30, 2018 USD ($) Derivative	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Derivative	Jun. 30, 2017 USD ($)
Derivative [Line Items]
Change in value of interest rate swaps		$ 6,123,000	$ (6,025,000)	$ 20,202,000	$ (4,529,000)
Number of derivative instruments \| Derivative		0		0
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Cash Flow Hedges [Member]
Derivative [Line Items]
Change in value of interest rate swaps		$ 5,795,000	$ (4,041,000)	$ 20,346,000	$ (9,000)
Estimated accumulated other comprehensive income (loss) reclassified to interest expense in the next twelve months				5,995,000
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| 1633 Broadway [Member] \| Cash Flow Hedges [Member]
Derivative [Line Items]
Aggregate notional amount		1,000,000,000		1,000,000,000
Designated as Hedging Instrument [Member] \| Interest Rate Swap March Two Thousand Eighteen [Member] \| 1633 Broadway [Member] \| Cash Flow Hedges [Member]
Derivative [Line Items]
Aggregate notional amount		$ 400,000,000		$ 400,000,000
Not Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Unrealized gains on interest rate swaps	$ 1,802,000