Discontinued Operations - Schedule of Income (Loss) from Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 01, 2024	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Operating expenses
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent, Total		$ 0	$ 0	$ 0	$ 96,250
ABG Group case
Operating expenses
Damages sought	$ 48,750
SI Business | Discontinued Operations
Disposal Group, Including Discontinued Operations [Line Items]
Revenue		0	0	0	45,107
Cost of revenue		0	0	0	(1,367)
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)		0	0	0	46,474
Operating expenses
Selling and marketing		0	0	0	(805)
General and administrative		0	0	0	(48,971)
Disposal Group, Including Discontinued Operation, Operating Expense		0	0	0	(49,776)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		0	0	0	96,250
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent, Total		$ 0	$ 0	$ 0	96,250
SI Business | Discontinued Operations | Location, Statement of Financial Position, Activity, Accrual [Axis]: us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayable
Operating expenses
General and administrative					221
SI Business | Discontinued Operations | Location, Statement of Financial Position, Activity, Accrual [Axis]: aren:DisposalGroupIncludingDiscontinuedOperationRoyaltyFeeLiability
Operating expenses
General and administrative					3,750
SI Business | Discontinued Operations | Location, Statement of Financial Position, Activity, Accrual [Axis]: aren:DisposalGroupIncludingDiscontinuedOperationTerminationFeeLiability
Operating expenses
General and administrative					$ 45,000