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Income Taxes (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Canada Revenue Agency [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 41.0
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2031
Capital loss carryforwards	$ 99.6
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 11.8
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2034
Operating Loss Carryforward no expiration	$ 8.1

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- Definition

Capital loss carryforwards

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Operating Loss Carryforward no expiration

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
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Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

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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.

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