XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.5.0.2

RELATED PARTY TRANSACTIONS (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
RELATED PARTY TRANSACTIONS |  |  |  |  |
Accounts payable | $ 19,057,000 |  | $ 19,057,000 |  | $ 18,429,000
Entity Affiliated With Related Party | Lexam L.P. |  |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |  |
Amount of expenses incurred and paid | $ 17,239 | $ 7,287 |  |  |
Amount of expenses reimbursed |  |  |  | $ 19,263 |
Ownership interest (as a percent) | 27.00% |  | 27.00% |  |
Entity Affiliated With Related Party | REVlaw |  |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |  |
Legal Fees | $ 37,823 | 21,675 | $ 91,826 | 36,120 |
Entity Affiliated With Related Party | REVlaw | Accounts payable |  |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |  |
Accounts payable | 151,209 |  | 151,209 |  | 57,800
Entity Affiliated With Related Party | Chairman and Chief Executive Officer |  |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |  |
Expenses incurred | 81,546 | $ 28,732 | 152,633 | $ 44,869 |
Entity Affiliated With Related Party | Chairman and Chief Executive Officer | Accounts payable |  |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |  |
Accounts payable | $ 81,546,000 |  | $ 81,546,000 |  | $ 66,272,000

X
- Definition Amount of reimbursed selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party. + References No definition available. + Details
Name: | mux_RelatedPartyTransactionReimbursementOfSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of selling, general and administrative expenses incurred resulting from transactions with a related party. + References No definition available. + Details
Name: | mux_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesIncurredFromTransactionsWithRelatedParty
Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_LegalFees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CounterpartyNameAxis=mux_EntityAffiliatedWithRelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mux_LexamLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mux_RevLawMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_AccountsPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mux_ChairmanAndChiefExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |