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STOCK BASED COMPENSATION (Details 2)	12 Months Ended
	Dec. 31, 2013 $0.00-$2.00 McEwen Mining Inc. USD ($)	Dec. 31, 2013 $2.01-$4.00 McEwen Mining Inc. USD ($)	Dec. 31, 2013 $4.01-$6.00 McEwen Mining Inc. USD ($)	Dec. 31, 2013 $6.01-$8.31 McEwen Mining Inc. USD ($)	Dec. 31, 2013 C$0.00-C$1.50 Minera Andes Inc. CAD	Dec. 31, 2013 C$1.51-C$2.00 Minera Andes Inc. CAD	Dec. 31, 2013 C$2.01-C$2.50 Minera Andes Inc. CAD	Dec. 31, 2013 C$2.51-C$3.00 Minera Andes Inc. CAD	Dec. 31, 2013 C$0.00-C$4.50 Nevada Pacific Gold Ltd. CAD	Dec. 31, 2013 C$4.51-C$5.00 Nevada Pacific Gold Ltd. CAD	Dec. 31, 2013 C$5.01-C$5.50 Nevada Pacific Gold Ltd. CAD	Dec. 31, 2013 C$5.51-C$6.70 Nevada Pacific Gold Ltd. CAD
Stock options outstanding and exercisable
Range of Exercise Price, low end of range (in dollars per share)	$ 0.00	$ 2.01	$ 4.01	$ 6.01	0.00	1.51	2.01	2.51	0.00	4.51	5.01	5.51
Range of Exercise Price, high end of range (in dollars per share)	$ 2.00	$ 4.00	$ 6.00	$ 8.31	1.50	2.00	2.50	3.00	4.50	5.00	5.50	6.70
Options Outstanding
Number Outstanding (in shares)	1,264,000	2,505,800	361,500	709,500	40,500	45,000	369,150	45,000	64,650	112,643	49,450	60,950
Weighted Average Exercise Price (in dollars per share)	$ 1.02	$ 2.37	$ 5.67	$ 7.14	1.47	1.62	2.27	2.51	4.32	4.74	5.30	6.62
Weighted Average Remaining Contractual Life	5 years	4 years 6 months	7 years 3 months 18 days	7 years	1 year	10 months 24 days	1 year 7 months 6 days	1 year 7 months 6 days	1 year 8 months 12 days	2 years 10 months 24 days	1 month 6 days	1 year 10 months 24 days
Options Exercisable
Number Exercisable (in shares)	1,264,000	887,800	161,500	481,501	40,500	45,000	369,150	45,000	64,650	112,643	49,450	60,950
Weighted Average Exercise Price (in dollars per share)	$ 1.02	$ 2.58	$ 5.50	$ 7.16	1.47	1.62	2.27	2.51	4.32	4.74	5.30	6.62
Weighted Average Remaining Contractual Life	5 years	4 years 8 months 12 days	6 years 3 months 18 days	7 years	1 year	1 year 10 months 24 days	1 year 7 months 6 days	1 year 7 months 6 days	1 year 8 months 12 days	10 months 24 days	1 month 6 days	1 year 10 months 24 days

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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