Asset Acquisition, Equity Interests Issued and Issuable, Entity Shares Issued In Exchange Agreement

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- Definition

Asset Acquisition, Number of Common Stock Shares Acquired.

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No definition available.

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- Definition

Asset Acquisition, Percentage Equity Issued For Exchange Agreement

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- Definition

Asset Acquisition, Percentage of Shares Acquired

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- Definition

Equity Method Investment, Amount Sold, Shares

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- Definition

Investments in marketable securities.

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No definition available.

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

+ References

No definition available.

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- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

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No definition available.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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No definition available.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(7)(c))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(9)(a))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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- Definition

Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

+ References

No definition available.

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- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585

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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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Investments (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
Investments (Details) - USD ($) $ in Thousands	May 10, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities		$ 174,370		$ 174,370
Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		137,088		137,088		$ 7,668
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		0		0		(1)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		37,282		37,282		5,276
Available-for-sale Securities		174,370		174,370		12,943
Debt Securities, Available-for-sale [Abstract]
Marketable Securities, Realized Gain (Loss)		$ 0	$ (12,340)	(769)	$ (12,340)
Equity and debt securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities						12,943
Metalla Royalty & Streaming Ltd.
Investment in Marketable Securities (Textual) [Abstract]
Proceeds from sale of equity method investments				900
Equity method investment, realized gain on disposal				$ 800
Equity method investment, amount sold (in shares)		83,556		83,556
Metalla Royalty & Streaming Ltd. \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost						166
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax						0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax						875
Available-for-sale Securities						1,041
Integra Resources Corp. [Member] \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		$ 8,376		$ 8,376		7,500
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		0		0		0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		1,249		1,249		4,401
Available-for-sale Securities		9,625		9,625		11,901
Other Investments [Member] \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		2		2		2
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		0		0		(1)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		0		0		0
Available-for-sale Securities		2		2		1
Victoria Gold Corp
Investment in Marketable Securities (Textual) [Abstract]
Asset acquisition, percentage of shares acquired	17.80%
Asset acquisition, number of common stock shares acquired	11,067,714
Asset acquisition, entity shares issued in exchange agreement (in shares)	12,785,485
Asset acquisition, percentage equity issued for exchange	4.90%
Victoria Gold Corp \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		128,710		128,710
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		0		0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		36,033		36,033
Available-for-sale Securities		164,743		164,743
Level 3 \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities		$ 0		$ 0
Level 3 \| Equity and debt securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities						$ 0