Share Capital - Additional Information (Detail) $ / shares in Units, $ in Thousands							1 Months Ended	12 Months Ended
	Mar. 01, 2022 USD ($) ConsecutiveDay shares	Feb. 25, 2022 USD ($) shares	Aug. 16, 2021 USD ($) shares	Feb. 23, 2021 USD ($) $ / shares shares	Feb. 22, 2021 USD ($) shares	Feb. 08, 2021 USD ($) $ / shares shares	Jun. 30, 2018	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)
Reduction in contingent liability | $								$ (29,012)	$ (8,273)	$ (8,642)
Business combination, contigent liability | $								200	98,500	$ 0
Current liabilities | $								146,571	$ 204,379
Integral Associates LLC [Member]
Conversion of Stock, Shares Issued									681,364
Reduction in contingent liability | $								9,654	$ 9,654
Dharma Pharmaceuticals LLC [Member]
Business combination, contigent liability | $								41,943	48,665
Current liabilities | $								$ 11,400	$ 20,884
Dharma Pharmaceuticals LLC [Member] | Maximum [Member]
Retail dispensary								5
Illinois Disp LLC [Member]
Issuance of shares under business combinations and investments	204,036
Issuance of shares under business combinations and investments, value | $	$ 3,785
Business combination, contigent liability | $	$ 6,766
Restricted Stock Units (RSUs) [Member]
Cost Not yet Recognized, Amount | $								$ 39,331
Cost Not yet Recognized, Period for Recognition								1 year 11 months 8 days
Multiple Voting Shares [Member]
Conversion Of Stock, Shares Converted								33,341
Common Stock, Shares, Outstanding								38,531	38,531
Multiple Voting Shares [Member] | Conversion Of Multiple Voting Shares [Member]
Conversion Of Stock, Shares Converted								33,341
Conversion of Stock, Shares Issued								33,341
Voting Rights								100
Subordinate Voting Shares [Member]
Common Stock, Shares, Outstanding								206,991,275	201,768,312
Subordinate Voting Shares [Member] | February Nine Two Thousand Twenty One
Stock issued during period, shares, new issues						3,122,074
Shares issued, price per share | $ / shares						$ 32.03
Stock issued during period, value, issued for services | $						$ 100,000
Subordinate Voting Shares [Member] | February Twenty Three Two Thousand Twenty One
Stock issued during period, shares, new issues				1,571,917
Shares issued, price per share | $ / shares				$ 35.50
Stock issued during period, value, issued for services | $				$ 55,803
Professional Fees | $				$ 305
Subordinate Voting Shares [Member] | Integral Associates LLC [Member]
Issuance of shares under business combinations and investments, value | $									$ 17,869
Subordinate Voting Shares [Member] | Success Holdings [Member]
Issuance of shares under business combinations and investments					146,315
Issuance of shares under business combinations and investments, value | $					$ 1,826
Shares forfeited					780
Subordinate Voting Shares [Member] | Dharma Pharmaceuticals LLC [Member]
Issuance of shares under business combinations and investments		667,080	199,993
Issuance of shares under business combinations and investments, value | $		$ 13,111	$ 5,949
Subordinate Voting Shares [Member] | Illinois Disp LLC [Member]
Issuance of shares under business combinations and investments	204,036
Issuance of shares under business combinations and investments, value | $	$ 3,785
Consecutive day | ConsecutiveDay	20
Subordinate Voting Shares [Member] | GTII Stock and Incentive Plan [Member]
Percentage of maximum number of shares issued under the plan							10.00%
Subordinate Voting Shares [Member] | Conversion Of Multiple Voting Shares [Member]
Conversion of Stock, Shares Issued								3,334,100
Shares Available For Conversion								3,853,100
Super Voting Shares [Member]
Conversion Of Stock, Shares Converted								33,341
Common Stock, Shares, Outstanding								251,690	285,031
Super Voting Shares [Member] | Conversion Of Super Voting Shares [Member]
Conversion Of Stock, Shares Converted								33,341
Voting Rights								1,000
Shares Available For Conversion								25,169,000