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

Contingencies And Guarantees - Additional Information (Detail)

v3.24.1.1.u2

Contingencies And Guarantees - Additional Information (Detail) - USD ($) $ in Millions				3 Months Ended	12 Months Ended
	Jun. 20, 2023	Apr. 05, 2023	Aug. 19, 2021	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2021	May 23, 2022	May 19, 2020
Contingencies And Guarantees [Line Items]
Total Damages Sought Value	$ 4.5					$ 167.0
Litigation Settlement, Amount Awarded to Other Party						1.5
Loss contingency claim for right to receive consulting fees and punitive damages				$ 0.5
Total damages claimed value						$ 5.4
Claim for alleged payments				1.3
Claim for right to receive				$ 115.0
Common stock, shares, issued				6,615,002,000	6,510,527,000
Payments mistakenly					$ 1.5
Alleged Fee		$ 2.2
Pending Litigation [Member] \| LMS Wellness Benefit LLC [Member] \| William Huber [Member]
Contingencies And Guarantees [Line Items]
Noncontrolling interest, Ownership percentage by parent							100.00%
Maximum [Member]
Contingencies And Guarantees [Line Items]
Total Damages Sought Value			$ 10.0
Minimum [Member]
Contingencies And Guarantees [Line Items]
Total Damages Sought Value			$ 1.0
Claim against ICHMPX ULC And MPX [Member]
Contingencies And Guarantees [Line Items]
Loss Contingency Accrual				$ 3.0
Claim by prior shareholders of Grow Healthy Holdings LLC [Member]
Contingencies And Guarantees [Line Items]
Loss Contingency Accrual				22.0
Counterclaim Against Canaccord [Member]
Contingencies And Guarantees [Line Items]
Payments mistakenly				$ 0.3
Claim by Himed LLC an equity holder and holder of unsecured debentures [Member]
Contingencies And Guarantees [Line Items]
Debt instrument, face value								$ 5.0
Common stock, shares, issued					20,000

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