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

No definition available.

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- Definition

The number of interest rate swaps amended during the period.

+ References

No definition available.

+ Details

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- Definition

The number of interest rate swap agreements with payment dates modified.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

Represents the percentage of hedge effectiveness.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the approximate percentage of fixed interest of the aggregate variable interest rate borrowings expected to be outstanding under credit facility.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Represents the approximate percentage of fixed interest of the aggregate variable interest rate borrowings expected to be outstanding under credit facility after specified terms of the interest rate swaps and credit facility.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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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Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Gain (loss) on hedging derivative instrument or the foreign currency transaction gain (loss) on the nonderivative hedging instrument designated as a hedge of a net investment in foreign operations related to hedge ineffectiveness, which is included in earnings in the period.

+ 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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

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)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of an entity's outstanding debt that is designated as a hedged item in cash flow, fair value, or net investment hedge.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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FINANCIAL INSTRUMENTS - Interest Rate Risk Management (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Dec. 31, 2016 DerivativeInstrument item	Mar. 31, 2017 USD ($) item	May 02, 2016 DerivativeInstrument
Interest Rate Swap Agreements
Number of interest rate swap agreements \| DerivativeInstrument			6
Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Amounts in accumulated other comprehensive loss expected to be reclassified into earings in the coming 12 months		$ 200
Interest rate swap \| Cash flow hedges \| Minimum
Interest Rate Swap Agreements
Swap offsetting percentage of hedged interest payments		80.00%
Interest rate swap \| Cash flow hedges \| Maximum
Interest Rate Swap Agreements
Hedge effectiveness (as a percent)		125.00%
Interest rate swap \| Cash flow hedges \| Other Expense
Interest Rate Swap Agreements
Hedge ineffectiveness recognized in earnings		$ 700
Refinancing Facility
Interest Rate Swap Agreements
Number of interest rate swap agreements \| item		2
Number of interest rate swaps amended \| DerivativeInstrument	2
Percentage of fixed interest rate on aggregate variable interest rate borrowings		50.00%
Number of swap agreements with payment dates modified \| DerivativeInstrument	2
Refinancing Facility \| Interest rate swap
Interest Rate Swap Agreements
Number of interest rate swaps amended \| item	2
Refinancing Facility One \| Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Initial aggregate notional amount		$ 171,197
Derivative, Fixed Interest Rate		1.0051%
Refinancing Facility Two \| Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Initial aggregate notional amount		$ 42,799
Derivative, Fixed Interest Rate		1.0016%
Korean Export Credit Facility
Interest Rate Swap Agreements
Number of interest rate swap agreements \| item		3
Percentage of fixed interest rate on aggregate variable interest rate borrowings		80.00%
Percentage of fixed interest rate on aggregate variable interest rate borrowings, thereafter		5.00%
Korean Export Credit Facility \| Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Number of interest rate swap agreements \| item		3
Initial aggregate notional amount		$ 333,900
Maximum aggregate notional amount		680,800
Korean Export Credit Facility One \| Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Initial aggregate notional amount		$ 544,670
Derivative, Fixed Interest Rate		1.297%
Korean Export Credit Facility Two \| Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Initial aggregate notional amount		$ 102,126
Derivative, Fixed Interest Rate		1.337%
Korean Export Credit Facility Three \| Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Initial aggregate notional amount		$ 34,042
Derivative, Fixed Interest Rate		1.3075%
Sinosure Credit Facility
Interest Rate Swap Agreements
Percentage of fixed interest rate on aggregate variable interest rate borrowings		100.00%
Percentage of fixed interest rate on aggregate variable interest rate borrowings, thereafter		5.00%
Sinosure Credit Facility \| Interest rate swap \| Cash flow hedges
Interest Rate Swap Agreements
Initial aggregate notional amount		$ 229,355
Derivative, Fixed Interest Rate		1.41%