Summary of Significant Accounting Policies - Summary of Subsidiaries (Detail) - Subsidiaries [Member]
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12 Months Ended |
Dec. 31, 2022 |
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| MPX Bioceutical ULC ("MPX ULC") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
MPX Bioceutical ULC (“MPX ULC”)
|
| Place of Incorporation |
Canada
|
| Interest |
100.00%
|
| MPX Luxembourg SARL |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
MPX Luxembourg SARL
|
| Place of Incorporation |
Luxembourg
|
| Interest |
100.00%
|
| ABACA, Inc. |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
ABACA, Inc
|
| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
|
| Ambary, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Ambary, LLC
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| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
|
| Health For Life, Inc. |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Health For Life, Inc
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| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
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| iAnthus Arizona, LLC ("iA AZ") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iAnthus Arizona, LLC (“iA AZ”)
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| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
|
| S8 Management, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
S8 Management, LLC
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| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
|
| S8 Rental Services, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
S8 Rental Services, LLC
|
| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
|
| Soothing Options, Inc. |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Soothing Options, Inc.
|
| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
|
| The Healing Center Wellness Center, Inc. ("THCWC") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
The Healing Center Wellness Center, Inc. (“THCWC”)
|
| Place of Incorporation |
Arizona, USA
|
| Interest |
100.00%
|
| Bergamot Properties, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Bergamot Properties, LLC
|
| Place of Incorporation |
Colorado, USA
|
| Interest |
100.00%
|
| Scarlet Globemallow, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Scarlet Globemallow, LLC
|
| Place of Incorporation |
Colorado, USA
|
| Interest |
100.00%
|
| iAnthus Capital Management, LLC ("ICM") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iAnthus Capital Management, LLC (“ICM”)
|
| Place of Incorporation |
Delaware, USA
|
| Interest |
100.00%
|
| GHHIA Management, Inc. ("GHHIA") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
GHHIA Management, Inc. (“GHHIA”)
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| Place of Incorporation |
Florida, USA
|
| Interest |
100.00%
|
| GrowHealthy Properties, LLC ("GHP") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
GrowHealthy Properties, LLC (“GHP”)
|
| Place of Incorporation |
Florida, USA
|
| Interest |
100.00%
|
| iAnthus Holdings Florida, LLC ("IHF") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iAnthus Holdings Florida, LLC (“IHF”)
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| Place of Incorporation |
Florida, USA
|
| Interest |
100.00%
|
| McCrory's Sunny Hill Nursery, LLC ("McCrory's") |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
McCrory’s Sunny Hill Nursery, LLC (“McCrory’s”)
|
| Place of Incorporation |
Florida, USA
|
| Interest |
100.00%
|
| iA IT, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iA IT, LLC
|
| Place of Incorporation |
Illinois, USA
|
| Interest |
100.00%
|
| Budding Rose, Inc. |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Budding Rose, Inc
|
| Place of Incorporation |
Maryland, USA
|
| Interest |
100.00%
|
| GreenMart of Maryland, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
GreenMart of Maryland, LLC
|
| Place of Incorporation |
Maryland, USA
|
| Interest |
100.00%
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| LMS Wellness, Benefit, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
LMS Wellness, Benefit, LLC
|
| Place of Incorporation |
Maryland, USA
|
| Interest |
100.00%
|
| Rosebud Organics, Inc. |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Rosebud Organics, Inc
|
| Place of Incorporation |
Maryland, USA
|
| Interest |
100.00%
|
| Cannatech Medicinals, Inc. |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Cannatech Medicinals, Inc.
|
| Place of Incorporation |
Massachusetts, USA
|
| Interest |
100.00%
|
| Fall River Development Company, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Fall River Development Company, LLC
|
| Place of Incorporation |
Massachusetts, USA
|
| Interest |
100.00%
|
| IMT, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
IMT, LLC
|
| Place of Incorporation |
Massachusetts, USA
|
| Interest |
100.00%
|
| Mayflower Medicinals, Inc. |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Mayflower Medicinals, Inc
|
| Place of Incorporation |
Massachusetts, USA
|
| Interest |
100.00%
|
| Pilgrim Rock Management, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Pilgrim Rock Management, LLC
|
| Place of Incorporation |
Massachusetts, USA
|
| Interest |
100.00%
|
| CGX Life Sciences, Inc. ("CGX") |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
CGX Life Sciences, Inc. (“CGX”)
|
| Place of Incorporation |
Nevada, USA
|
| Interest |
100.00%
|
| GreenMart of Nevada NLV, LLC (GMNV) |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
GreenMart of Nevada NLV, LLC (GMNV)
|
| Place of Incorporation |
Nevada, USA
|
| Interest |
100.00%
|
| iAnthus Northern Nevada, LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iAnthus Northern Nevada, LLC
|
| Place of Incorporation |
Nevada, USA
|
| Interest |
100.00%
|
| GTL Holdings, LLC |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
GTL Holdings, LLC
|
| Place of Incorporation |
New Jersey, USA
|
| Interest |
100.00%
|
| iA CBD, LLC ("iA CBD") |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iA CBD, LLC (“iA CBD”)
|
| Place of Incorporation |
New Jersey, USA
|
| Interest |
100.00%
|
| iAnthus New Jersey LLC |
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| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iAnthus New Jersey, LLC
|
| Place of Incorporation |
New Jersey, USA
|
| Interest |
100.00%
|
| MPX New Jersey, LLC |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
MPX New Jersey, LLC
|
| Place of Incorporation |
New Jersey, USA
|
| Interest |
100.00%
|
| Citiva Medical, LLC ("Citiva") |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Citiva Medical, LLC (“Citiva”)
|
| Place of Incorporation |
New York, USA
|
| Interest |
100.00%
|
| iAnthus Empire Holdings, LLC |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
iAnthus Empire Holdings, LLC
|
| Place of Incorporation |
New York, USA
|
| Interest |
100.00%
|
| FWR, Inc. |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
FWR, Inc
|
| Place of Incorporation |
Vermont, USA
|
| Interest |
100.00%
|
| Grassroots Vermont Management Services, LLC |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Grassroots Vermont Management Services, LLC
|
| Place of Incorporation |
Vermont, USA
|
| Interest |
100.00%
|
| Pakalolo, LLC |
|
| DisclosureOfSubsidiaries [Line Items] |
|
| Name of Entity |
Pakalolo, LLC
|
| Place of Incorporation |
Vermont, USA
|
| Interest |
100.00%
|