iAnthus Capital Holdings, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 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

Commitments - Additional Information (Detail)

v3.26.1

Commitments - Additional Information (Detail) - USD ($)		6 Months Ended		12 Months Ended
Commitments - Additional Information (Detail) - USD ($)	Feb. 09, 2024	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Mar. 20, 2025
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Cash		$ 8,038,000		$ 11,650,000
Gain on NV Management Agreement		0	$ 12,085,000
Received Cash		8,038,000		11,650,000
Other current assets		3,768,000		4,643,000
Massachusetts Purchase Agreement [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Proceeds from sale of assets	$ 3,000,000
Cash proceeds from sale of assets	500,000
Remaining amount to be received in monthly installments	2,500,000
Debt instrument, payment towards outstanding principal amount	$ 2
Debt instrument, interest rate stated percentage	7.00%
Provision For Other Credit Losses		$ 0.5		0.5
Credit loss provision				1,800,000
Nevada Management Agreement [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Debt instrument, interest rate stated percentage	7.00%
Nevada Management Agreement [Member] \| NV CCB
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Cash					$ 3,500,000
Received Cash					$ 3,500,000
Minimum [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Operating leases with renewal options		1 year
Maximum [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Operating leases with renewal options		15 years
Promissory Notes [Member] \| Massachusetts Purchase Agreement [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Debt instrument, payment towards outstanding principal amount	$ 500,000
Promissory Notes [Member] \| Nevada Management Agreement [Member] \| NV CCB
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Accrued interest		$ 1,600,000		$ 2,200,000
Other current assets		$ 800,000

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