Discontinued Operations - Schedule of Income (Loss) from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Operating expenses:
Net income (loss) from discontinued operations	$ 0	$ (822)	$ 96,250	$ (92,709)
SI Business | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	0	45	45,107	22,297
Cost of revenue	0	160	(1,367)	15,006
Gross profit (loss)	0	(115)	46,474	7,291
Operating expenses:
Selling and marketing	0	140	(805)	12,142
General and administrative	0	567	(48,971)	46,060
Depreciation and amortization	0	0	0	2,401
Loss on impairment of assets	0	0	0	39,391
Total operating expenses (income)	0	707	(49,776)	99,994
Income (loss) from discontinued operations	0	(822)	96,250	(92,703)
Income tax provision	0	0	0	(6)
Net income (loss) from discontinued operations	$ 0	$ (822)	96,250	(92,709)
Impairment of intangible assets				8,601
Impairment of subscription acquisition costs				$ 30,790
SI Business | Discontinued Operations | Termination fee liability
Operating expenses:
General and administrative			(45,000)
SI Business | Discontinued Operations | Royalty fee liability
Operating expenses:
General and administrative			(3,750)
SI Business | Discontinued Operations | Accounts payable
Operating expenses:
General and administrative			$ (221)