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INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
INCOME TAXES.
Statutory tax rate (as a percent)	35.00%
Fluctuation in foreign exchange rate		$ 1,900
Deferred income tax recovery due to increased explorations	$ 1,600
Recovery of deferred income tax	$ 1,100	$ 0

X

- Definition

The deferred income tax recovery due to the change in value of available for sale instruments.

+ References

No definition available.

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X

- Definition

The deferred income tax recovery due to the increased explorations.

+ References

No definition available.

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X

- Definition

Represents the income tax expense (benefit) related to fluctuations in the foreign exchange rate between the Argentine peso and the U.S. dollar.

+ References

No definition available.

+ Details

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I)
-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319

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- References

No definition available.

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