Notes payable and debt - Schedule of credit facilities outstanding (Details) - USD ($) $ in Thousands		1 Months Ended
	Feb. 18, 2026	Dec. 31, 2021	Sep. 30, 2026	Dec. 31, 2025	Oct. 31, 2025	Oct. 10, 2025	Sep. 30, 2025	Nov. 06, 2024
Notes payable
Outstanding balance			$ 636,918
Line of credit
Notes payable
Original facility size			1,178,537
Outstanding balance			636,918
Senior Secured Notes – 2029
Notes payable
Outstanding balance			500,000	$ 0
Gross proceeds	$ 500,000
Senior Secured Notes – 2029 | Line of credit
Notes payable
Original facility size			500,000
Outstanding balance			$ 500,000
Interest rate, stated percentage			11.50%
Senior Secured Notes – 2027
Notes payable
Outstanding balance			$ 36,702	56,597
Senior Secured Notes – 2027 | Line of credit
Notes payable
Original facility size			67,000
Outstanding balance			$ 36,702
Interest rate, stated percentage			10.00%
Senior Secured Notes – 2026
Notes payable
Outstanding balance			$ 0	456,815
Gross proceeds		$ 475,000
Senior Secured Notes – 2026 | Line of credit
Notes payable
Original facility size			475,000
Outstanding balance			$ 0
Interest rate, stated percentage			8.00%
Amended Needham LOC
Notes payable
Outstanding balance			$ 69,000	21,910
Amended Needham LOC | Line of credit
Notes payable
Original facility size			100,000		$ 100,000		$ 40,000
Outstanding balance			$ 69,000
Interest rate, stated percentage			8.99%
Amended Needham LOC | Line of credit | Revolving credit facility
Notes payable
Original facility size						$ 100,000		$ 40,000
ABL Facility – EWB
Notes payable
Original facility size			$ 12,000
Outstanding balance			12,000	12,000
ABL Facility – EWB | Line of credit
Notes payable
Outstanding balance			$ 12,000
Interest rate, stated percentage			6.00%
Seller note payable - Scottsdale Note
Notes payable
Outstanding balance			$ 3,880	4,093
Seller note payable - Scottsdale Note | Line of credit
Notes payable
Original facility size			5,100
Outstanding balance			$ 3,880
Interest rate, stated percentage			5.00%
Seller note payable - Cannabis Haven
Notes payable
Outstanding balance			$ 6,500	0
Seller note payable - Cannabis Haven | Line of credit
Notes payable
Original facility size			6,500
Outstanding balance			$ 6,500
Interest rate, stated percentage			8.00%
Other notes payable - miscellaneous
Notes payable
Outstanding balance			$ 8,836	$ 3,308
Other notes payable - miscellaneous | Line of credit
Notes payable
Original facility size			12,937
Outstanding balance			$ 8,836