Segment Reporting - Schedule of Segment Information (Details) - USD ($)	3 Months Ended						9 Months Ended		12 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Revenue	$ 27,374,000			$ 24,564,000			$ 74,485,000	$ 75,094,000
Adjusted Earnings Before Interest Tax Depreciation And Amortization	(11,782,000)			(13,882,000)			(40,463,000)	(44,190,000)
Interest (expense) income, net	(1,560,000)			242,000			(3,952,000)	688,000
Stock-based compensation	(4,266,000)			(6,721,000)			(14,181,000)	(22,894,000)
Change in fair value of warrant liability	0			0			0	11,000
Provision for income taxes	(40,000.0)			(32,000.0)			(59,000.0)	(142,000.0)
Depreciation and amortization	(224,000)			(389,000)			(585,000)	(1,188,000)
Gain from litigation settlement	0			0			7,500,000	46,000,000	$ 46,000,000
Other income (expense), net	430,000			(333,000)			(766,000)	(78,000)
Net loss	(17,442,000)	$ (17,922,000)	$ (17,142,000)	(21,115,000)	$ 26,045,000	$ (26,723,000)	(52,506,000)	(21,793,000)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue	0			(21,000)			(202,000)	(68,000)
Skillz | Operating Segments
Segment Reporting Information [Line Items]
Revenue	20,435,000			21,474,000			57,392,000	66,629,000
Adjusted Earnings Before Interest Tax Depreciation And Amortization	(12,098,000)			(12,261,000)			(39,743,000)	(38,256,000)
Aarki | Operating Segments
Segment Reporting Information [Line Items]
Revenue	6,939,000			3,111,000			17,295,000	8,533,000
Adjusted Earnings Before Interest Tax Depreciation And Amortization	$ 316,000			$ (1,621,000)			$ (720,000)	$ (5,934,000)