Note 21 - Long-term Incentive Arrangement (Details Textual) $ / shares in Units, $ in Millions, $ in Millions	Apr. 16, 2021 USD ($) $ / shares shares	Apr. 16, 2021 CAD ($) shares
Percentage of Disinterested Shareholders Voting for Approval	95.00%
Management Services Agreement [Member] \| Jay S. Hennick and Jayset Management [Member] \| Chief Executive Officer [Member]
Payments to Employees	$ 96.2	$ 120.3
Shares Issued, Price Per Share (in dollars per share) \| $ / shares	$ 106.40
Management Services Agreement [Member] \| Jay S. Hennick and Jayset Management [Member] \| Chief Executive Officer [Member] \| Subordinate Voting Shares [Member]
Stock Issued During Period, Shares, Issued for Services (in shares) \| shares	3,572,858	3,572,858

Payments of cash to employees, including wages and salaries, during the current period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585

Name:	us-gaap_PaymentsToEmployees
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration