Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ 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.

+ Details

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- Definition

The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).

+ References

No definition available.

+ Details

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- Details

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- Details

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Derivative Instruments - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
Derivative Instruments - Narrative (Details) - USD ($)	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	May 08, 2018
Derivative [Line Items]
Interest and other income, net	$ (12,668,000)	$ (6,019,000)	$ (18,448,000)	$ (10,391,000)
LIBOR \| Interest rate cap
Derivative [Line Items]
Derivative, cap interest rate, percent					2.50%
Notional amount					$ 400,000,000
Interest and other income, net	$ 300,000		$ (300,000)