iAnthus Capital Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Organization and Description of Business (Policies)
Notes Tables
Notes Details

Share Capital - Additional Information (Detail)

v3.22.2.2

Share Capital - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
	Jun. 24, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2021
Fair value adjustment of warrants		$ (0.1)	$ 0.1		$ 0.1	$ 0.1
Recapitalization Transaction [Member]
Stock Issued During Period, Shares, New Issues	6,072,580
Stock Option [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		0.0	5.2		0.0	5.2
Restricted Stock Units (RSUs) [Member]
Share-based payment arrangement expense		21.0			21.0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		8.6			$ 8.6
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition					1 year 4 months 2 days
Share based payment arrangement plan modification fair value of award		0.0			$ 0.0
Restricted Stock Units (RSUs) [Member] \| Award Modification [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		0.0	$ 5.4		0.0	5.4
Warrant Liability [Member]
Derivative liabilities		$ 0.0			$ 0.0			$ 0.1
Common Stock [Member]
Stock Issued Under Recapitalization Transaction Shares		6,072,580,000			6,072,580,000
Stock Issued During Period, Shares, New Issues			0		0
Common Stock [Member] \| Recapitalization Transaction [Member]
Stock Issued Under Recapitalization Transaction Shares	6,072,580
Common Stock [Member] \| Secured Lenders and Unsecured Lenders [Member]
Stock Issued Under Recapitalization Transaction Shares	6,072,580
Selling, general and administrative expenses
Share-based payment arrangement expense		$ 0.3	$ 1.6		$ 1.8	$ 3.3
Selling, general and administrative expenses \| Restricted Stock Units (RSUs) [Member] \| Recapitalization Transaction [Member]
Share-based payment arrangement expense				$ 0.0			$ 0.0

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