Share Capital - Schedule of Common Stock Outstanding Roll Forward (Detail) - USD ($)			12 Months Ended
	Jun. 07, 2019	Jan. 01, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Noncontrolling interests adjustment for change in ownership			$ 0	$ (1,128,776)	$ (36,970,608)
Distribution of contingent consideration			2,713,463
Issuance of shares for redemption of noncontrolling interests				$ 25,420,009	4,093,718
Issuance of shares upon exercise of options and warrants			$ 1,640,147		906,296
Issuance of shares for professional fees					$ 59,788,076
Subordinate Voting Shares [member]
Class of Stock [Line Items]
Beginning balance		43,920,131	128,999,964	43,920,131
Issuance of shares under business combinations and investments	1,233,014	542,416	1,752,065	45,571,444
Distribution of contingent consideration			2,713,463
Distribution of deferred shares			1,220,548
Issuance of shares for redemption of noncontrolling interests				$ 2,498,404
Issuance of shares upon exercise of options and warrants			$ 171,813	1,165,630
Issuances of shares upon vesting of RSUs			923,468
Issuance of shares upon exercise of broker options				114,080
Issuance of shares for professional fees				$ 19,875
Exchange of shares			42,331,900	35,710,400
Ending balance			178,113,221	128,999,964	43,920,131
Multiple Voting Shares [member]
Class of Stock [Line Items]
Beginning balance		677,230	373,350	677,230
Noncontrolling interests adjustment for change in ownership				$ 31,000
Exchange of shares			(333,061)	(334,880)
Ending balance			40,289	373,350	677,230
Super Voting Shares [member]
Class of Stock [Line Items]
Beginning balance		424,513	402,289	424,513
Exchange of shares			(90,258)	(22,224)
Ending balance			312,031	402,289	424,513