XML 106 R48.htm IDEA: XBRL DOCUMENT v3.24.0.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Risks and Uncertainties (Details)	12 Months Ended
	Dec. 31, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Duration current portion of inventories expected to be processed or recovered	12 months
Duration over which drilling and related costs are capitalized	1 year

X

- Definition

The duration of the current portion of Inventories is determined based on the expected amounts to be processed and/or recovered.

+ References

No definition available.

+ Details

Name:	mux_DurationOfCurrentPortionOfInventoriesToBeProcessedOrRecovered
Namespace Prefix:	mux_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The duration over which the drilling and related costs are capitalized.

+ References

No definition available.

+ Details

Name:	mux_DurationOfDrillingAndRelatedCostsCapitalized
Namespace Prefix:	mux_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration