Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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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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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Shares - Share purchase program (Details) - CAD ($) $ in Thousands	2 Months Ended	12 Months Ended
	Mar. 14, 2025	Dec. 31, 2024	Jan. 07, 2025	Nov. 04, 2024
Equity, Class of Treasury Stock [Line Items]
Shares purchased and subsequently cancelled during period (in shares)		149,408
2024 NCIB
Equity, Class of Treasury Stock [Line Items]
Maximum number of shares to be purchased (in shares)				2,087,577
2024 NCIB \| Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Maximum number of shares to be purchased (in shares)			2,087,577
Common shares
Equity, Class of Treasury Stock [Line Items]
Shares purchased and subsequently cancelled during period (in shares)		149,408
Common shares \| 2024 NCIB
Equity, Class of Treasury Stock [Line Items]
Shares purchased and subsequently cancelled during period (in shares)		149,408
Increase (decrease) as a result of the retirement of shares		$ 1,138
Common shares \| 2024 NCIB \| Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Shares purchased and subsequently cancelled during period (in shares)	55,000
Increase (decrease) as a result of the retirement of shares	$ 492
Additional paid-in capital \| 2024 NCIB
Equity, Class of Treasury Stock [Line Items]
Increase (decrease) as a result of the retirement of shares		$ 3,173
Additional paid-in capital \| 2024 NCIB \| Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Increase (decrease) as a result of the retirement of shares	$ 830