Subsequent Events (Details) - shares	12 Months Ended
Dec. 31, 2021	Jan. 25, 2022
Subsequent events
Subsequent event, description	On January 25, 2022, the Board of Directors of the Company approved a new NCIB, which allows for the repurchase of up to 42.0 million common shares between February 1, 2022 and January 31, 2023.
Subsequent Event [Member] \| February 1, 2022 - January 31, 2023 [Member]
Subsequent events
NCIB February 1, 2022 - January 31, 2023 (in shares)		42,000,000.0

Describes the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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