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Derivatives (Details 1) - USD ($)
$ in Thousands

3 Months Ended

6 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Derivative Instruments, Gain (Loss) [Line Items]

Net gain (loss) recognized in OCI

^[1]

$ (69)

$ 259

$ 405

$ 529

Net gain (loss) reclassified from accumulated OCI into income

^[2]

(46)

4

(78)

(381)

Net gain recognized in income

^[3]

$ 0

$ 0

$ 0

$ 0

[1]	Net change in fair value of the effective portion classified into other comprehensive income ("OCI").
[2]	Effective portion classified within direct operating cost.
[3]	There were no effective portions for the period presented.

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: 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



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



-Paragraph 4C



-Subparagraph (a),(c),(d),(e)



-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

+ Details

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X

- 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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Namespace Prefix:	us-gaap_
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X

- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying 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 (c)



-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 4D



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959

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X

- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current 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 (b)



-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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