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

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-Publisher FASB
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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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- Definition

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

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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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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

+ References

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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.

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This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

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The carrying amount of securities categorized as held-to-maturity which serve as security for borrowings or other arrangements.

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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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.

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No definition available.

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Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Restricted	$ 17,700		$ 17,700		$ 11,600
Investment in Marketable Securities (Textual) [Abstract]
Impairment of equity securities	0	$ 483	20	$ 2,028
Equity Securities [Member]
Available-for-sale Securities
Cost	3,789		3,789		3,386
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(51)		(51)		(1,179)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	2,470		2,470		559
Available-for-sale Securities, Estimated Fair Value	6,208		6,208		2,766
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	51		51
Less than twelve Months, Fair Value	7		7
Twelve months or more, Fair Value	0		0
Fair Value	7		7
Paramount Gold Nevada Corp. [Member] \| Equity Securities [Member]
Available-for-sale Securities
Cost					1,470
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax					(1,036)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax					0
Available-for-sale Securities, Estimated Fair Value					434
Northair Silver Corp. [Member] \| Equity Securities [Member]
Available-for-sale Securities
Cost					725
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax					0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax					9
Available-for-sale Securities, Estimated Fair Value					734
Agnico- Eagle Mines Ltd. [Member] \| Equity Securities [Member]
Available-for-sale Securities
Cost					420
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax					0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax					518
Available-for-sale Securities, Estimated Fair Value					938
Kootenay Silver, Inc. [Member] \| Equity Securities [Member]
Available-for-sale Securities
Cost	3,366		3,366
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0		0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	1,295		1,295
Available-for-sale Securities, Estimated Fair Value	4,661		4,661
Silver Bull Resources, Inc. [Member] \| Equity Securities [Member]
Available-for-sale Securities
Cost	232		232		305
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	1,175		1,175		0
Available-for-sale Securities, Estimated Fair Value	1,407		1,407		305
Other Investments [Member] \| Equity Securities [Member]
Available-for-sale Securities
Cost	191		191		466
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(51)		(51)		(143)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	0		0		32
Available-for-sale Securities, Estimated Fair Value	$ 140		$ 140		$ 355