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

Quarterly report [Sections 13 or 15(d)]

Organization and Description of Business - Summary of Effects of the Adjustment on the Line items Within Consolidated Financial Statements (Detail)

Organization and Description of Business - Summary of Effects of the Adjustment on the Line items Within Consolidated Financial Statements (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated deficit	$ (1,361,393)		$ (1,335,280)
Total shareholders' deficit	$ (89,599)	$ (77,916)	$ (65,542)	$ (93,647)	$ (82,440)	$ (61,666)

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of accumulated undistributed earnings (deficit).

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- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details