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

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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.

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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

+ References

No definition available.

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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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Derivative Instruments - Narrative (Details) - USD ($)	9 Months Ended
Derivative Instruments - Narrative (Details) - USD ($)	Sep. 30, 2017	Apr. 01, 2017	Mar. 04, 2016
LIBOR \| Interest rate cap
Derivative [Line Items]
Derivative, cap interest rate, percent			2.50%
Notional amount		$ 400,000,000
Cash flow hedging \| Designated as hedging instrument
Derivative [Line Items]
Estimated gain (loss) reclassification from OCI to income	$ (300,000)
Cash flow hedging \| Designated as hedging instrument \| Interest rate cap
Derivative [Line Items]
Notional amount	$ 400,000,000