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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Derivative number of counterparties

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Derivative Purchase Price

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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-Name Regulation S-X (SX)
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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.

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No definition available.

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Fixed interest rate related to the interest rate derivative.

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- Definition

Information that would enable users to understand the volume of the entity's derivative activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
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-Name Accounting Standards Codification
-Topic 210
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
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Number of interest rate derivative instruments held by the entity at the reporting date.

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Derivative Financial Instruments Derivative Financial Instruments Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($) contracts	Dec. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Net unrealized loss on hedging instruments	$ 193,425	$ 200,607
Forward Contracts [Member]
Description of Derivative Activity Volume	122
Secured Debt [Member]
Long-term Debt	$ 349,135	371,212
Interest Rate Swap [Member] \| Credit Facility USD Term Loan Interest Rate Swaps [Member]
Number of Interest Rate Derivatives Held \| contracts	6
Derivative, Notional Amount	$ 200,000
Pay fixed interest rate in interst rate swap	1.00%
Interest Rate Swap [Member] \| 2011 Credit Facility USD Term Loan Interest Rate Swaps [Member]
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	$ 400
Interest Rate Swap [Member] \| 2015 Credit Facility USD Term Loan Interest Rate Swaps [Member] [Member]
Derivative, Notional Amount		$ 214,000
Pay fixed interest rate in interst rate swap		1.42%
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	900
Interest Rate Cap [Member] \| 2015 Credit Facility USD Term Loan Interest Rate Swaps [Member] [Member]
Derivative, Notional Amount		$ 100,000
Derivative, Cap Interest Rate		2.00%
Derivative Purchase Price		$ 1,700
Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member] \| Minimum [Member]
Derivative, Notional Amount	100
Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member] \| Maximum [Member]
Derivative, Notional Amount	31,000
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member]
Net unrealized loss on hedging instruments	$ 14,380	$ 14,380	$ 14,380	$ 14,380
Number of Counterparties [Member]
Derivative Counterparties	9	9
London Interbank Offered Rate (LIBOR) [Member] \| Secured Debt [Member]
Long-term Debt	$ 296,600