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Stock-Based Compensation (Restricted Stock) (Details) (Restricted Stock [Member], USD $)	0 Months Ended			12 Months Ended
	Sep. 15, 2012	May 31, 2012	Dec. 21, 2011	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share granted	525,000	755,000	4,710,000	1,280,000
Length of time				90 days
Stock fair value per share	$ 2.89	$ 2.02	$ 1.89	$ 2.41
Stock fair value	$ 1,517,250	$ 1,525,000	$ 8,901,900
Expiration of stock awards				5 years
Unrecognized compensation cost related to non-vested share restricted stock awards				$ 1,300,000
Unrecognized compensation cost related to non-vested share restricted stock awards, recognition period				10 months 14 days
Group One [Member] | Level of Proven and Probable Reserves [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of gold equivalent ounces				1,000,000
Group One [Member] | Annual Mining Production Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of gold equivalent ounces				15,000
Group Two [Member] | Level of Proven and Probable Reserves [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of gold equivalent ounces				1,500,000
Group Two [Member] | Annual Mining Production Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of gold equivalent ounces				17,500
Group Three [Member] | Level of Proven and Probable Reserves [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of gold equivalent ounces				2,000,000
Group Three [Member] | Annual Mining Production Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of gold equivalent ounces				20,000
Group Four [Member] | Level of Proven and Probable Reserves [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of gold equivalent ounces				3,250,000

X

- Definition

Average Performance Period.

+ References

No definition available.

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- Definition

Number of Performance Targets.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Grants In Period Grant Date Fair Value.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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X

- Definition

Share Based Compensation Arrangement By Share Based Payment Award Expiration.

+ References

No definition available.

+ Details

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X

- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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X

- Definition

Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

+ References

No definition available.

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X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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