Long-Term Debt - Additional Information (Detail)

v3.24.1

Long-Term Debt - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands										12 Months Ended
	Feb. 16, 2024	Feb. 02, 2024	Feb. 02, 2023	Jun. 24, 2022	Jul. 13, 2020	Dec. 20, 2019	May 02, 2019	Mar. 18, 2019	May 14, 2018	Dec. 31, 2023	Dec. 31, 2022		Feb. 01, 2022	Dec. 31, 2021		Feb. 02, 2021	Jul. 10, 2020	May 19, 2020	Sep. 30, 2019
Debt Instrument [Line Items]
Debt instrument face value													$ 4,600					$ 25,000
Interest expense										$ 15,745	$ 18,658
Accretion expense										3,950	3,590
Secured debt long term fair value										151,605	132,912
Long-term debt									$ 2,300	165,276	147,312			$ 193,380
Loss on debt extinguishment (Refer to Note 9)										(1,288)	(316,577)
Share issuance - recapitalization transaction value											455,443
Interest accrued on current and long term debt										0	0
2024 New Jersey Amendment [Member]
Debt Instrument [Line Items]
Debt Instrument Extended Maturity Date		Feb. 16, 2024
June Secured Debentures [Member]
Debt Instrument [Line Items]
Debt instrument face value				$ 99,700
Debt instrument maturity date				Jun. 24, 2027
Interest expense										8,700	4,300
Accretion expense										2,900	1,500
Secured debt long term fair value				$ 84,500						118,118	103,612
June Unsecured Debentures [Member]
Debt Instrument [Line Items]
Debt instrument face value				$ 20,000
Debt instrument maturity date				Jun. 24, 2027
Interest expense										1,700	800
Accretion expense										900	500
Secured debt long term fair value				$ 14,900
Additional Secured Debentures [Member]
Debt Instrument [Line Items]
Debt instrument maturity date				Jun. 24, 2027
Interest expense										2,200	1,000
Secured debt long term fair value				$ 25,000
Recapitalization Transaction [Member]
Debt Instrument [Line Items]
Debt instrument face value																	$ 14,700
Loss on debt extinguishment (Refer to Note 9)										316,600
Debt conversion, original debt, amount										238,200
Debt instrument, face amount										$ 119,700
Share issuance - recapitalization transaction, shares										6,072,580
Share issuance - recapitalization transaction value										$ 455,400
Interest accrued on current and long term debt										$ 56,300
Percentage of outstanding shares Held										97.25%
Extinguishment Of Non Recapitalization Transaction Debts [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs										$ 0	100
Debt issuance costs, net										$ 700	700
Minimum [Member] | June Secured Debentures [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				8.00%
Minimum [Member] | June Unsecured Debentures [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				8.00%
Maximum [Member] | June Secured Debentures [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage on event of default				11.00%
Maximum [Member] | June Unsecured Debentures [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage on event of default				11.00%
Private Placement [Member] | March 2019 Equity Warrants [Member]
Debt Instrument [Line Items]
Debt instrument maturity date								Mar. 15, 2023
Interest rate on secured notes								8.00%
Debt instrument terms of interest payment								payable quarterly
Class of warrant or right, number of securities called by warrants or rights								2,177,291,000
Exercise price of warrants								$ 6.43
Percentage of total interest that can be paid through cash or in kind route								50.00%
I Anthus New Jersey LLC [Member]
Debt Instrument [Line Items]
Description about qualified financing										Qualified Financing” means a transaction or series of related transactions resulting in net proceeds to the Company of not less than $10 million from the subscription of the Company’s securities, including, but not limited to, a private placement or rights offering.
Threshold limit of qualified financing, net proceeds not less than the subscription of securities										$ 10,000
Tranche One [Member]
Debt Instrument [Line Items]
Debt instrument, fair value disclosure									26,200
Tranche Two [Member]
Debt Instrument [Line Items]
Debt instrument, fair value disclosure																			$ 17,300
Long-term debt																			300
Tranche Three [Member]
Debt Instrument [Line Items]
Debt instrument, fair value disclosure						$ 30,900
Long-term debt						600
Secured Debt [Member]
Debt Instrument [Line Items]
Interest rate percentage on the exit fee										13.00%
Interest expense										$ 0	800
Long term debt default amount principal				$ 97,500
Long term debt default amount accrued interest				$ 38,500
Long term debt exit fee payable										10,000
Long-term debt										15,565	13,852	[1]		134,902	[1]
Secured Debt [Member] | Recapitalization Transaction [Member]
Debt Instrument [Line Items]
Secured debt long term fair value										99,400
Debt instrument, face amount										119,700
Secured Debt [Member] | Tranche One [Member]
Debt Instrument [Line Items]
Debt instrument face value									$ 40,000
Debt instrument maturity date									May 14, 2021
Interest rate percentage on the exit fee				16.00%
Interest expense										0	3,200
Accretion expense										0	0
Long term debt default amount principal				$ 60,000						97,500
Long term debt default amount accrued interest				11,900						38,500
Long term debt exit fee payable principal and interest				16,200
Long term debt exit fee payable				$ 10,300						10,300
Interest payable on exit fee										5,900
Secured Debt [Member] | Tranche One [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage									16.00%
Secured Debt [Member] | Tranche Two [Member]
Debt Instrument [Line Items]
Debt instrument face value																			$ 20,000
Interest rate on secured notes				16.00%															13.00%
Interest expense										0	1,600
Accretion expense										0	0
Secured Debt [Member] | Tranche Three [Member]
Debt Instrument [Line Items]
Debt instrument face value						$ 36,200
Debt instrument maturity date						May 14, 2021
Interest rate on secured notes				16.00%		13.00%
Interest expense										0	2,800
Accretion expense										0	0
Secured Debt [Member] | Tranche Four [Member]
Debt Instrument [Line Items]
Debt instrument face value					$ 14,700
Debt instrument maturity date					Jul. 13, 2025
Interest rate on secured notes					8.00%
Interest expense										0	700
Accretion expense										0	200
New Jersey Senior Secured Bridge Notes [Member]
Debt Instrument [Line Items]
Percentage of outstanding shares Held				5.00%
New Jersey Senior Secured Bridge Notes [Member] | 2024 New Jersey Amendment [Member]
Debt Instrument [Line Items]
Non Operational Cash Receipts, Utilization Rate	25.00%
Payment towards Principal Amount Outstanding	$ 5,000
Debt instrument interest rate stated percentage	12.00%
New Jersey Senior Secured Bridge Notes [Member] | I Anthus New Jersey LLC [Member]
Debt Instrument [Line Items]
Debt instrument face value			$ 1,400													$ 11,000
Debt instrument maturity date			Feb. 02, 2024
Interest rate on secured notes																14.00%
Interest expense										1,700	1,400
Accretion expense										100	400
Secured debt long term fair value			$ 13,800							12,500
Unamortized debt issuance costs										2,200
Percentage of total outstanding debt instrument principal amount			10.00%
Debt instrument interest rate stated percentage			12.00%
Loss on debt extinguishment (Refer to Note 9)										1,300
New Jersey Senior Secured Bridge Notes [Member] | I Anthus New Jersey LLC [Member] | 2024 New Jersey Amendment [Member]
Debt Instrument [Line Items]
Debt instrument face value	$ 1,600
Percentage of total outstanding debt instrument principal amount	10.00%
New Jersey Senior Secured Bridge Notes [Member] | Prospective Recapitalization Transaction [Member] | I Anthus New Jersey LLC [Member]
Debt Instrument [Line Items]
Interest rate on secured notes																8.00%
New Jersey Senior Secured Bridge Notes [Member] | Prospective Default [Member] | I Anthus New Jersey LLC [Member]
Debt Instrument [Line Items]
Interest rate on secured notes																25.00%
March 2019 Debentures [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs										1,200
Debt instrument, fair value disclosure										30,300
Long-term debt											0			33,138
March 2019 Debentures [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Debt instrument face value								$ 35,000
Interest expense										0	1,400
Accretion expense										0	700
May 2019 Debentures [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs										400
Debt instrument, fair value disclosure										22,300
Long-term debt											0			$ 24,033
May 2019 Debentures [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Debt instrument maturity date							Mar. 15, 2023
Interest rate on secured notes							8.00%
Debt instrument terms of interest payment							payable quarterly
Interest expense										0	1,000
Accretion expense										0	400
Class of warrant or right, number of securities called by warrants or rights							1,555,207
Exercise price of warrants							$ 6.43
Percentage of total interest that can be paid through cash or in kind route							50.00%
Warrants and Rights Outstanding, Maturity Date							Mar. 15, 2022
Unsecured Debt [Member]
Debt Instrument [Line Items]
Long term debt default amount principal				$ 60,000
Long term debt default amount accrued interest				11,900
Unsecured Debt [Member] | Recapitalization Transaction [Member]
Debt Instrument [Line Items]
Debt conversion, original debt, amount										238,200
Secured Debt And Unsecured Debt [Member]
Debt Instrument [Line Items]
Long term debt default amount accrued additional fess and interest				$ 16,200
Secured Debt And Unsecured Debt [Member] | Recapitalization Transaction [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs										14,600	18,400
Debt issuance costs, net										$ 20,400	$ 20,300
[1] This amount includes the Company’s obligation to pay an exit fee of $10.0 million that accrued interest at a rate of 13% per annum (the “Exit Fee”) under the Secured Notes.