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

Long-Term Debt - Summary of Long-term Debt Instruments (Detail)

Long-Term Debt - Summary of Long-term Debt Instruments (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument [Line Items]
Beginning balance	$ 171,175
Fair value of financial liabilities issued	12,462
Accretion of balance	8,283
Repayment	(53)	$ (10,838)
Ending balance	191,867
Secured Notes
Debt Instrument [Line Items]
Beginning balance	115,350
Fair value of financial liabilities issued	12,302
Accretion of balance	6,302
Ending balance	133,954
May 2019 Debentures
Debt Instrument [Line Items]
Beginning balance	23,240
Accretion of balance	591
Ending balance	23,831
March 2019 Debentures
Debt Instrument [Line Items]
Beginning balance	31,665
Accretion of balance	1,095
Ending balance	32,760
Other
Debt Instrument [Line Items]
Beginning balance	920
Fair value of financial liabilities issued	160
Accretion of balance	295
Repayment	(53)
Ending balance	$ 1,322

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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