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

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959

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Financial Instruments (Details) - 12 months ended Dec. 31, 2015	USD ($)	GBP (£)	SEK	AUD	EUR (€)	NZD	INR (₨)	NOK	USD ($)
Derivative [Line Items]
Gain (Loss) on foreign currency derivative instruments not designated as hedging instruments \| $	$ 2,000,000
NOK/EUR \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount \| NOK								NOK 29,400,000
NOK/EUR \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount					€ 3,070,143
USD/EUR \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount \| $									$ 13,250,000
USD/EUR \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount					12,177,861
EUR/GBP \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount					7,600,000
EUR/GBP \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount \| £		£ 5,593,220
AUD/EUR \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount \| AUD				AUD 3,000,000
AUD/EUR \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount					2,013,153
EUR/SEK \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount					1,300,000
EUR/SEK \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount \| SEK			SEK 11,909,820
NZD/AUD \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount \| NZD						NZD 850,000
NZD/AUD \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount \| AUD				AUD 800,151
INR/USD \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount \| ₨							₨ 604,949,800
INR/USD \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount \| $									$ 9,100,000
EUR/INR \| Not Designated as Hedging Instrument \| Forward Contracts \| Long
Derivative [Line Items]
Notional amount					225,000		148,884,940
EUR/INR \| Not Designated as Hedging Instrument \| Forward Contracts \| Short
Derivative [Line Items]
Notional amount					€ 2,050,000		₨ 16,710,390
Minimum
Derivative [Line Items]
Derivative contract term (months)	1 month
Maximum
Derivative [Line Items]
Derivative contract term (months)	3 months