The amount of outstanding funds that the entity is obligated to repay.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_CurrentPortionOfLongtermBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_LongtermBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	mpvd_BorrowingsLineItems
Namespace Prefix:	mpvd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay after deduction of unamortized financing costs.

+ References

No definition available.

+ Details

Name:	mpvd_BorrowingsNet
Namespace Prefix:	mpvd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of unamortized deferred finance costs.

+ References

No definition available.

+ Details

Name:	mpvd_UnamortizedFinancingCosts
Namespace Prefix:	mpvd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	mpvd_LoanFacilityAxis=mpvd_LoansFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

LOAN FACILITY (Details) $ in Thousands, $ in Millions	Dec. 31, 2017 CAD ($)	Dec. 31, 2016 CAD ($)	Dec. 31, 2016 USD ($)	Apr. 30, 2015 USD ($)
Borrowings [Line Items]
Total outstanding principal on loan facility	$ 0	$ 425,903	$ 332	$ 357
Less: current portion of loan facilty	0	33,287
Non-current loan facility	0	$ 392,616
Loans Facility [Member]
Borrowings [Line Items]
Total outstanding principal on loan facility	445,776
Less: unamortized deferred financing	19,873
Total Loan Facility	425,903
Less: current portion of loan facilty	33,287
Non-current loan facility	$ 392,616