Subsequent Events	12 Months Ended
Dec. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	23. Subsequent events During January 2023, the Company received $12,667, pursuant to a financing agreement with a third-party lender. In exchange, the Company assigned to the lender its interests in the $14,903 ERC claim that was submitted during December 2022 (refer to Note 3). If the Company does not receive the ERC claim, in whole or in part, the Company is required to repay the related portion of the funds received plus interest of 10% accrued from the date of the financing agreement through the repayment date. The Company's obligation under the financing agreement will be satisfied upon receipt of the ERC claim or other full repayment. On January 19, 2023, the Company entered into a multi-year agreement with Wana Brands ("Wana"), the leading edible manufacturer in North America, to introduce Wana's products at The Apothecarium retail stores and additional third-party retailers in New Jersey. The agreement will also transfer to TerrAscend, the manufacturing and sales of Wana's existing portfolio of products in Maryland. Pursuant to the agreement, the Company will serve as the exclusive sole manufacturer, supplier, and commercial partner for Wana's products in New Jersey. On January 27, 2023, the Company closed on its previously announced acquisition of AMMD. Under the terms of the agreement, the Company acquired 100% equity interest in AMMD for total consideration of $10,000 in cash, in addition to entering into a long-term lease with the option to purchase the real estate. The Company now operates vertically integrated licensed operations in Maryland. On January 30, 2023, the Company appointed Jeroen De Beijer as Chief People and Culture Officer. On February 9, 2023, the Company opted to return its TerrAscend Canada standard cultivation license, standard processing license and license for sale for medical purposes under the Cannabis Act. On February 13, 2023, the Company launched adult-use cannabis sales at its Cookies Detroit retail location. Effective March 1, 2023, TerrAscend sold substantially all of the assets, including all intellectual property and inventory, at its Arise business to a third party. On March 15, 2023, WDB Holding PA, in exchange for a fee in the amount of 1% of the then outstanding principal loan balance, agreed to an amendment among other things, to (i) extend the obligation date to prepay the Company's debt from March 15, 2023 to June 30, 2023 in which WDB Holding PA must use commercially reasonable efforts to add additional collateral to the Ilera Term Loan, (ii) increase the amount of debt to be reduced by up to $37,000, subject to certain reductions in amount based on meeting certain time based milestones, at a prepayment price of 103.22% to par, and (iii) extend the next test date in respect of the interest coverage ratio until June 30, 2023.

Subsequent Events

12 Months Ended

Dec. 31, 2022

23. Subsequent events

During January 2023, the Company received $12,667, pursuant to a financing agreement with a third-party lender. In exchange, the Company assigned to the lender its interests in the $14,903 ERC claim that was submitted during December 2022 (refer to Note 3). If the Company does not receive the ERC claim, in whole or in part, the Company is required to repay the related portion of the funds received plus interest of 10% accrued from the date of the financing agreement through the repayment date. The Company's obligation under the financing agreement will be satisfied upon receipt of the ERC claim or other full repayment.

On January 19, 2023, the Company entered into a multi-year agreement with Wana Brands ("Wana"), the leading edible manufacturer in North America, to introduce Wana's products at The Apothecarium retail stores and additional third-party retailers in New Jersey. The agreement will also transfer to TerrAscend, the manufacturing and sales of Wana's existing portfolio of products in Maryland. Pursuant to the agreement, the Company will serve as the exclusive sole manufacturer, supplier, and commercial partner for Wana's products in New Jersey.

On January 27, 2023, the Company closed on its previously announced acquisition of AMMD. Under the terms of the agreement, the Company acquired 100% equity interest in AMMD for total consideration of $10,000 in cash, in addition to entering into a long-term lease with the option to purchase the real estate. The Company now operates vertically integrated licensed operations in Maryland.

On January 30, 2023, the Company appointed Jeroen De Beijer as Chief People and Culture Officer.

On February 9, 2023, the Company opted to return its TerrAscend Canada standard cultivation license, standard processing license and license for sale for medical purposes under the Cannabis Act.

On February 13, 2023, the Company launched adult-use cannabis sales at its Cookies Detroit retail location.

Effective March 1, 2023, TerrAscend sold substantially all of the assets, including all intellectual property and inventory, at its Arise business to a third party.

On March 15, 2023, WDB Holding PA, in exchange for a fee in the amount of 1% of the then outstanding principal loan balance, agreed to an amendment among other things, to (i) extend the obligation date to prepay the Company's debt from March 15, 2023 to June 30, 2023 in which WDB Holding PA must use commercially reasonable efforts to add additional collateral to the Ilera Term Loan, (ii) increase the amount of debt to be reduced by up to $37,000, subject to certain reductions

in amount based on meeting certain time based milestones, at a prepayment price of 103.22% to par, and (iii) extend the next test date in respect of the interest coverage ratio until June 30, 2023.