Subsequent Events - Additional Information (Details) $ / shares in Units, $ in Thousands						6 Months Ended
	Apr. 24, 2023 USD ($)	Nov. 04, 2022 USD ($) shares	Oct. 25, 2022 $ / shares	Oct. 24, 2022 USD ($) $ / shares shares	Sep. 23, 2020	Sep. 30, 2022 CAD ($) shares	Sep. 30, 2021 CAD ($)	May 17, 2022	Mar. 31, 2022 shares	Mar. 18, 2021 USD ($)
Subsequent Event [Line Items]
Debt instrument discounted price				$ 930,000
Paydown						$ 423	$ 49,991
Minimum liquidity, each fiscal quarter										$ 200,000,000
Common stock, shares issued | shares						480,260,882			394,422,604
Warrants
Subsequent Event [Line Items]
Common stock, shares issued | shares						139,745,453
Subsequent Event
Subsequent Event [Line Items]
Percentage ownership of wholly owned subsidiaries				100.00%
Minimum percentage of votes cast for approval of amendment proposal				66.00%
Subsequent Event | Warrants
Subsequent Event [Line Items]
Common stock, shares issued | shares				139,745,453
Subsequent Event | TerrAscend Exchangeable Shares
Subsequent Event [Line Items]
Percentage of ownership interest controlled				13.70%
Paydown Agreement [Member]
Subsequent Event [Line Items]
Principal amount				$ 100,000,000
Minimum liquidity, each fiscal quarter				100,000,000
Additional incremental term loan facility				$ 500,000,000						500,000
Credit Facility
Subsequent Event [Line Items]
Principal amount										750,000
Debt instrument discounted price per us dollar | $ / shares				$ 1,000
Paydown				$ 174,375,000
Credit Facility | Paydown Agreement [Member]
Subsequent Event [Line Items]
Principal amount				$ 187,500,000						$ 187,500
Floating Shares | Subsequent Event
Subsequent Event [Line Items]
Number of canopy shares exchanged | shares				0.45
Acreage | Scenario Forecast
Subsequent Event [Line Items]
Amount of floating shares issued for final payment	$ 20,000,000
Acreage | Subsequent Event
Subsequent Event [Line Items]
Amount of floating shares issued				$ 50,000,000
Number of floating shares issued in first installment. | shares		5,648,927
Amount of floating shares issued in first installment		$ 15,000,000
Amount of floating shares issued for second payment				$ 15,000,000
Acreage | Fixed Shares | Subsequent Event
Subsequent Event [Line Items]
Common stock shares conversion ratio			3,048	3,048
Percentage of outstanding shares purchased			70.00%
Acreage | Fixed Shares | Class E Subordinated Voting Shares
Subsequent Event [Line Items]
Common stock shares conversion ratio					0.3048
Acreage | Floating Shares | Subsequent Event
Subsequent Event [Line Items]
Potential liability				$ 121,000,000
Percentage of variable interest entity ownership				7.30%
Outstanding principal of acreage's debt				$ 150,000,000
Option premium payment				$ 28,500,000
Jetty
Subsequent Event [Line Items]
Ownership percentage								100.00%
Jetty | Subsequent Event
Subsequent Event [Line Items]
Ownership percentage			100.00%
Wana
Subsequent Event [Line Items]
Percentage of common share to be issued			7.50%
Wana | Subsequent Event
Subsequent Event [Line Items]
Ownership percentage			100.00%
Exercise of option to acquire common share | $ / shares			$ 1.00
Aggregate exercise price of common shares | $ / shares			$ 3.00