Acquisitions - Summary of Initial Accounting Estimates (Detail) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 597,483,954	$ 382,697,467
Licenses And Permits [Member]
Business Acquisition [Line Items]
Intangible assets, net	173,926,457
Dharma Pharmaceuticals LLC [Member]
Business Acquisition [Line Items]
Cash	150,066
Inventory	508,361
Accounts receivable	38,166
Prepaid expenses	72,125
Property and equipment, net	1,983,047
Right-of-use asset, net	4,218,658
Deposits and other assets	251,875
Liabilities assumed	(157,877)
Lease liabilities	(4,218,658)
Deferred income tax liabilities	(17,034,600)
Total identifiable net assets	51,811,163
Goodwill	88,730,652
Net assets	140,541,815
Dharma Pharmaceuticals LLC [Member] | Licenses And Permits [Member]
Business Acquisition [Line Items]
Intangible assets, net	66,000,000
Summit Medical Compassion Center [Member]
Business Acquisition [Line Items]
Cash	1,143,493
Inventory	1,828,848
Accounts receivable	1,200
Prepaid expenses	104,589
Property and equipment, net	3,242,890
Right-of-use asset, net	210,069
Deposits and other assets	67,620
Liabilities assumed	(4,407,319)
Lease liabilities	(210,069)
Deferred income tax liabilities	(13,111,880)
Total identifiable net assets	39,669,441
Goodwill	69,029,291
Net assets	108,698,732
Summit Medical Compassion Center [Member] | Licenses And Permits [Member]
Business Acquisition [Line Items]
Intangible assets, net	50,800,000
Other Acquisition [Member]
Business Acquisition [Line Items]
Cash	651,434
Inventory	3,844,351
Accounts receivable	512,767
Prepaid expenses	190,719
Property and equipment, net	10,478,856
Right-of-use asset, net	13,896,049
Deposits and other assets	585,000
Liabilities assumed	(6,467,287)
Lease liabilities	(13,896,049)
Deferred income tax liabilities	(14,744,338)
Total identifiable net assets	52,177,959
Goodwill	66,176,544
Net assets	118,354,503
Other Acquisition [Member] | Licenses And Permits [Member]
Business Acquisition [Line Items]
Intangible assets, net	$ 57,126,457