Long-Term Debt - Additional Information (Detail)

v3.23.1

Long-Term Debt - Additional Information (Detail) $ / shares in Units, $ in Thousands										12 Months Ended
	Feb. 02, 2023 USD ($)	Jun. 24, 2022 USD ($)	Feb. 02, 2021 USD ($)	Jul. 13, 2020 USD ($)	Dec. 20, 2019 USD ($) shares $ / shares	Sep. 30, 2019 USD ($) shares $ / shares	May 02, 2019 USD ($) $ / shares shares	Mar. 18, 2019 USD ($) $ / shares shares	May 14, 2018 USD ($) $ / shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($)	Dec. 31, 2022 $ / shares	Feb. 01, 2022 USD ($)	Dec. 31, 2021 $ / shares	Apr. 04, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jul. 10, 2020 USD ($)
Debt Instrument [Line Items]
Debt instrument face value													$ 4,600
Interest expense										$ 800	$ 1,700
Accretion expense										3,590	9,057
Secured debt long term fair value										132,912	242,104
Exercise price of warrants | (per share)						$ 1.97						$ 0		$ 3.56
Cash balance										14,336	13,244
Long-term debt										147,312	193,380					$ 171,175
Loss on debt extinguishment (Refer to Note 9)										(316,577)	0
Share issuance - recapitalization transaction value										455,443
Interest accrued on current and long term debt										$ 0	45,600
Other Equity Method Investees [Member]
Debt Instrument [Line Items]
Equity Method Investment, Ownership Percentage										5.00%
Extinguishment Of Non Recapitalization Transaction Debts [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs										$ 100	2,500
Debt issuance costs, net										700	7,700
Recapitalization Transaction [Member]
Debt Instrument [Line Items]
Debt instrument face value																	$ 14,700
Debt conversion, original debt, amount										238,200
Debt instrument, face amount										119,700
Interest accrued on current and long term debt										$ 56,300
Percentage of outstanding shares Held										97.25%
Recapitalization Transaction [Member] | Secured And Unsecured Lenders [Member]
Debt Instrument [Line Items]
Debt issuance costs, net											30,300
Recapitalization Transaction [Member] | Common Stock [Member]
Debt Instrument [Line Items]
Share issuance - recapitalization transaction, shares | shares										6,072,580
Share issuance - recapitalization transaction value										$ 455,400
June Secured Debentures [Member]
Debt Instrument [Line Items]
Interest expense										4,300	0
Accretion expense										1,500	0
Secured debt long term fair value		$ 84,500								103,612	176,487
June Secured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument face value		$ 99,700
Debt instrument maturity date		Jun. 24, 2027
June Unsecured Debentures [Member]
Debt Instrument [Line Items]
Interest expense										800	0
Accretion expense										500	0
Secured debt long term fair value		$ 14,900
June Unsecured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument face value		$ 20,000
Debt instrument maturity date		Jun. 24, 2027
Additional Secured Debentures [Member]
Debt Instrument [Line Items]
Interest expense										$ 1,000	0
Secured debt long term fair value		$ 25,000
Additional Secured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument face value		$ 25,000
Debt instrument maturity date		Jun. 24, 2027
Minimum [Member] | June Secured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		8.00%
Minimum [Member] | June Unsecured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		8.00%
Minimum [Member] | Additional Secured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		8.00%
Maximum [Member] | June Secured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage on event of default		11.00%
Maximum [Member] | June Unsecured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage on event of default		11.00%
Maximum [Member] | Additional Secured Debentures [Member] | Secured Debenture Purchase Agreement [Member]
Debt Instrument [Line Items]
Interest rate on secured notes interest increase decrease		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 | shares								2,177,291
Exercise price of warrants | $ / shares								$ 6.43
Private Placement [Member] | May 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 | shares							1,555,207
Exercise price of warrants | $ / shares							$ 6.43
Warrants and Rights Outstanding, Maturity Date							Mar. 15, 2022
Private Placement [Member] | In Cash [Member] | March 2019 Equity Warrants [Member]
Debt Instrument [Line Items]
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
Lenders [Member] | Minimum [Member] | June Secured Debentures [Member] | Other Equity Method Investees [Member]
Debt Instrument [Line Items]
Equity Method Investment, Ownership Percentage		5.00%
Lenders [Member] | Minimum [Member] | June Unsecured Debentures [Member] | Other Equity Method Investees [Member]
Debt Instrument [Line Items]
Equity Method Investment, Ownership Percentage		5.00%
Tranche One [Member]
Debt Instrument [Line Items]
Debt instrument, fair value disclosure									$ 26,200
Long-term debt									$ 2,300
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
Secured Debt [Member]
Debt Instrument [Line Items]
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										13,852	134,902					115,350
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 maturity date									May 14, 2021
Debt instrument, convertible, conversion price | $ / shares									$ 3.08
Amortization of debt discount										0	1,000
Debt instrument beneficial conversion feature									$ 7,900
Interest expense										3,200	6,700
Accretion expense										0	2,400
Long term debt default amount principal										97,500					$ 60,000
Long term debt default amount accrued interest										38,500					$ 11,900
Long term debt exit fee payable principal and interest		$ 16,200									15,400
Long term debt exit fee payable										10,300	10,300
Interest payable on exit fee										$ 5,900	5,100
Debt instrument financial covenant description										The terms also contained a financial covenant requiring the Company’s asset value to be 1.75 times the total net debt at each quarter end and required that the Company maintain a minimum cash balance of $1.0 million while the Tranche One Secured Notes remained outstanding (the “market value test”).
Financial covenant requires to maintain ratio of asset value to net debt										1.75
Cash balance										$ 1,000
Secured Debt [Member] | Tranche One [Member] | Common Class A [Member]
Debt Instrument [Line Items]
Class of warrant or right, number of securities called by warrants or rights | shares										3,891,051
Exercise price of warrants | $ / shares										$ 3.86
Class of warrant or right, date from which warrants or rights exercisable										May 14, 2021
Class of warrant or right, Issued										$ 10,000
Common stock, conversion basis										one
Shares issued, price per share | $ / shares										$ 2.57
Class of warrant or right, number of securities called by each warrant or right | shares										1
Secured Debt [Member] | Tranche One [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage									16.00%
Secured Debt [Member] | Tranche One [Member] | Equity Warrants [Member]
Debt Instrument [Line Items]
Class of warrant or right, number of securities called by warrants or rights | shares										6,670,372
Exercise price of warrants | $ / shares										$ 3.6
Class of warrant or right, date from which warrants or rights exercisable										May 14, 2021
Secured Debt [Member] | Tranche Two [Member]
Debt Instrument [Line Items]
Debt instrument face value						$ 20,000
Debt instrument maturity date						May 14, 2021
Interest rate on secured notes		16.00%				13.00%
Interest expense										$ 1,600	3,200
Accretion expense										0	700
Secured Debt [Member] | Tranche Two [Member] | Tranche Two Equity Warrants [Member]
Debt Instrument [Line Items]
Class of warrant or right, number of securities called by warrants or rights | shares						5,076,142
Class of warrant or right, date from which warrants or rights exercisable						May 14, 2021
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										2,800	5,900
Accretion expense										0	1,600
Secured Debt [Member] | Tranche Three [Member] | Equity Warrants [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Number of Equity Instruments | shares					22,448,415
Debt instrument, convertible, conversion price | $ / shares					$ 1.61
Class of warrant or right, number of securities called by warrants or rights | shares					10,792,508
Exercise price of warrants | $ / shares					$ 1.67
Issuance Costs					$ 600
Secured Debt [Member] | Tranche Three [Member] | Tranche Two Equity Warrants [Member]
Debt Instrument [Line Items]
Class of warrant or right, date from which warrants or rights exercisable					May 14, 2021
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										700	1,300
Accretion expense										200	400
Secured Debt [Member] | Tranche Two Conversion Option [Member] | Tranche Two Equity Warrants [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Number of Equity Instruments | shares						10,582,011
Debt instrument, convertible, conversion price | $ / shares						$ 1.89
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] | I Anthus New Jersey LLC [Member]
Debt Instrument [Line Items]
Debt instrument face value			$ 11,000
Debt instrument maturity date	Feb. 02, 2021		Feb. 02, 2023
Interest rate on secured notes			14.00%
Interest expense										1,400	1,500
Accretion expense										400	300
Secured debt long term fair value			$ 10,300							12,500
Unamortized debt issuance costs			$ 700							2,200
Escrow deposit										0	3,300
New Jersey Senior Secured Bridge Notes [Member] | I Anthus New Jersey LLC [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt instrument face value	$ 1,400
Debt instrument maturity date	Feb. 02, 2024
Percentage of total outstanding debt instrument principal amount	10.00%
Debt instrument interest rate stated percentage	12.00%
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					31,665
March 2019 Debentures [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Debt instrument face value								$ 35,000
Interest expense										1,400	2,800
Accretion expense										700	1,500
March 2019 Debentures [Member] | Private Placement [Member] | In Cash [Member]
Debt Instrument [Line Items]
Percentage of total interest that can be paid through cash or in kind route								50.00%
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					$ 23,240
May 2019 Debentures [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Debt instrument face value							$ 25,000
Interest expense										1,000	2,000
Accretion expense										400	800
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										18,400	$ 3,200
Debt issuance costs, net										$ 20,300