Basis of Presentation (Narrative) (Details)	12 Months Ended
Dec. 31, 2020
Basis of Presentation [abstract]
Description of functional currency	United States Dollars ("$" or "US$" or "US dollars")
Description of presentation currency	financial statements are presented in United States Dollars ("$" or "US$" or "US dollars")

The description of the currency of the primary economic environment in which the entity operates.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2020-01-01
-Paragraph 53
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2020-en-r&anchor=para_53&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2020-01-01
-Paragraph 57
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2020-en-r&anchor=para_57_c&doctype=Standard
-URIDate 2020-01-01

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Period Type:	duration