Other Financial Assets - Summary of Changes in Other Financial Assets (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2024 CAD ($)
Schedule Of Investments [Line Items]
Beginning balance	$ 437,629
Additions	308,459
Fair value changes	(46,619)
Foreign currency translation adjustments	861
Other	(458,185)
Ending balance	242,145
Acreage1 | Fixed Shares Option and Floating Shares Agreement
Schedule Of Investments [Line Items]
Beginning balance	10,000
Fair value changes	(31,808)
Foreign currency translation adjustments	(35)
Other	21,843
TerrAscend Exchangeable Shares | Exchangeable Shares
Schedule Of Investments [Line Items]
Beginning balance	120,000
Fair value changes	17,291
Foreign currency translation adjustments	2,109
Other	(139,400)
TerrAscend - December 2022 | Warrants
Schedule Of Investments [Line Items]
Beginning balance	32,500
Fair value changes	7,929
Foreign currency translation adjustments	571
Other	(41,000)
TerrAscend | Equity Option
Schedule Of Investments [Line Items]
Beginning balance	2,000
Fair value changes	265
Foreign currency translation adjustments	35
Other	(2,300)
Wana | Equity Option
Schedule Of Investments [Line Items]
Beginning balance	149,766
Foreign currency translation adjustments	1,537
Other	(151,303)
Jetty | Equity Option
Schedule Of Investments [Line Items]
Beginning balance	59,915
Foreign currency translation adjustments	615
Other	(60,530)
Acreage Hempco1 | Debenture
Schedule Of Investments [Line Items]
Beginning balance	11,780
Foreign currency translation adjustments	121
Other	(11,901)
Acreage Debt Option Premium | Equity Option
Schedule Of Investments [Line Items]
Beginning balance	37,574
Fair value changes	3,147
Foreign currency translation adjustments	386
Other	(41,107)
Acreage Tax Receivable Agreement | Other
Schedule Of Investments [Line Items]
Beginning balance	1,287
Foreign currency translation adjustments	13
Other	(1,300)
Acreage Debt | Loan Receivable
Schedule Of Investments [Line Items]
Additions	133,595
Fair value changes	(5,975)
Foreign currency translation adjustments	(1,499)
Ending balance	126,121
Elevate Loan Receivable | Loan Receivable
Schedule Of Investments [Line Items]
Additions	174,864
Fair value changes	(34,603)
Foreign currency translation adjustments	(3,016)
Other	(24,622)
Ending balance	112,623
Other At Fair Value Through Net Income (Loss) | Various
Schedule Of Investments [Line Items]
Beginning balance	4,441
Fair value changes	(2,865)
Foreign currency translation adjustments	24
Other	(1,504)
Ending balance	96
Other - Classified as Held for Investment | Loan Receivable
Schedule Of Investments [Line Items]
Beginning balance	8,366
Other	(5,061)
Ending balance	$ 3,305