Equity Method Investment, Amount Sold, Shares

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- Definition

Equity Method Investment, Realized Gain (Loss) On Royalty Repurchase

+ References

No definition available.

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- Definition

Investments in marketable securities.

+ References

No definition available.

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- Definition

Payments To Acquire Royalty Interests In Mining Properties, Shares

+ References

No definition available.

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- Definition

Royalty Interest, Percent

+ References

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.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- References

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- Definition

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.

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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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 expenses related to the generation of investment income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.2)
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

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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.

+ Details

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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

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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Balance Type:	na
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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.

+ Details

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Investments (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Sep. 14, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities		$ 12,943
Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		7,668	$ 18,831
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		(1)	(1,265)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		5,276	18,080
Available-for-sale Securities		12,943	35,646
Debt Securities, Available-for-sale [Abstract]
Marketable Securities, Realized Gain (Loss)		(19,140)	(860)	$ (7,964)
Equity and debt securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities			35,646
Metalla Royalty & Streaming Ltd.
Investment in Marketable Securities (Textual) [Abstract]
Proceeds from sale of equity method investments		20,700
Equity method investment, realized gain on disposal		11,600
Investment income, investment expense		$ 1,300
Equity method investment, amount sold (in shares)		3,910,000
Par value, common stock (in dollars per share)		$ 5.30
Royalty interest, percent		0.3875%
Payments to acquire royalty interests in mining properties (in shares)		421,554
Equity method investment, realized gain on disposal		$ 1,400
Metalla Royalty & Streaming Ltd. \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		166	10,463
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		0	0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		875	17,725
Available-for-sale Securities		1,041	28,188
Integra Resources Corp. [Member]
Investment in Marketable Securities (Textual) [Abstract]
Proceeds from sale of equity method investments	$ 2,500
Equity method investment, amount sold (in shares)	735,294
Par value, common stock (in dollars per share)	$ 3.40
Equity Method Investment, Ownership Percentage	5.60%
Integra Resources Corp. [Member] \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		7,500	5,000
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		0	0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		4,401	355
Available-for-sale Securities		11,901	5,355
Rockhaven Resources, Ltd. [Member]
Investment in Marketable Securities (Textual) [Abstract]
Proceeds from sale of equity method investments		1,300
Equity method investment, realized gain on disposal		$ 800
Equity method investment, amount sold (in shares)		15,150,000
Par value, common stock (in dollars per share)		$ 0.08
Rockhaven Resources, Ltd. [Member] \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost			2,064
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax			(376)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax			0
Available-for-sale Securities			1,688
Other Investments [Member] \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Cost		$ 2	1,304
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		(1)	(889)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax		0	0
Available-for-sale Securities		1	415
Level 3 \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities		$ 0
Level 3 \| Equity and debt securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Securities			$ 0