MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT (Details) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2020 USD ($) $ / oz	Jun. 30, 2020 USD ($)
Mineral property interests and plant and equipment
Impairment charges \| $	$ 83,800	$ 83,805
Nonrecurring \| Level 3 \| Gold Bar mine \| Weighted Average
Mineral property interests and plant and equipment
Long term gold price (in dollars per ounce) \| $ / oz	1,430
Nonrecurring \| Level 3 \| Gold Bar mine \| Discounted Cash Flow \| Weighted Average
Mineral property interests and plant and equipment
Discount Rate (as a percent)	9.00%
Nonrecurring \| Level 3 \| Gold Bar mine \| Discounted Cash Flow \| United States \| Weighted Average
Mineral property interests and plant and equipment
Inflation index (as a percent)	2.00%

Represents information pertaining to inflation index for the country.

No definition available.

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- Definition

Represents the long term gold price per ounce used to find the present value of an amount to be paid or received in the future as an input to measure the fair value.

+ References

No definition available.

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Discount rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228

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- 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.

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