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Financial Risk Management and Financial Instruments - Summary of Weightings Applied to Valuation Method (Details)	12 Months Ended
	Dec. 31, 2018
PWERM
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]
Percentage of weightings	50.00%
Secondary Market Transactions
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]
Percentage of weightings	50.00%

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- Definition

Disclosure of financial risk management and financial instruments.

+ References

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- Definition

Percentage of weighting applied to specific valuation method.

+ References

No definition available.

+ Details

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- Details

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