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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599

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Aggregate revenue from the sale of minerals and related products, and from rendering services such as exploration, development, mining, processing and providing mining support activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a),(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- References

No definition available.

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Segment Reporting (Details 2) - USD ($) $ in Thousands	3 Months Ended
Segment Reporting (Details 2) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	$ 773,747		$ 786,908
Revenues
Revenue	206,138	$ 146,636
Revenues	206,138	148,387
Mexico
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	376,890		397,697
Revenues
Revenue	77,704	30,522
UNITED STATES
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	355,736		338,897
Revenues
Revenue	107,194	93,654
BOLIVIA
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	32,422		31,539
Revenues
Revenue	20,584	21,278
AUSTRALIA
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	2,871		2,983
Revenues
Revenue	656	1,891
ARGENTINA
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	227		10,228
Other Foreign Countries [Member]
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	5,601		$ 5,564
Revenues
Revenue	$ 0	$ 1,042