Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net revenue		$ 106,150	$ 119,934	$ 336,027	$ 384,746
Operating expenses:
Cost of revenue	[1]	13,812	14,482	43,737	48,328
Sales and marketing	[1]	52,466	51,635	150,226	184,922
General and administrative	[1]	25,005	28,986	80,667	79,895
Research and development	[1]	2,085	2,173	6,778	6,740
Depreciation and amortization		1,001	836	2,979	2,053
Impairment of intangible assets		584	0	584	0
Related party expense		155	96	487	290
Total operating expenses		95,108	98,208	285,458	322,228
Income from operations		11,042	21,726	50,569	62,518
Other income (expense), net		182	(3,651)	807	15,568
Interest income (expense), net		1,511	(183)	3,062	(572)
Income before income taxes		12,735	17,892	54,438	77,514
Income tax expense		691	1,383	2,046	3,945
Net income		12,044	16,509	52,392	73,569
Net income attributable to noncontrolling interests		11,904	20,521	50,749	59,875
Net income (loss) attributable to MarketWise, Inc.		$ 140	$ (4,012)	$ 1,643	$ 13,694
Earnings per share - basic (USD per share)		$ 0.00	$ (0.17)	$ 0.05	$ 0.59
Earnings per share - diluted (USD per share)		$ 0.00	$ (0.17)	$ 0.05	$ 0.59
Weighted average shares outstanding - basic (in shares)		32,910	23,533	30,883	23,233
Weighted average shares outstanding - diluted (in shares)		33,632	23,566	31,996	23,267
Nonrelated Party
Net revenue		$ 105,799	$ 119,297	$ 334,777	$ 383,383
Related Party
Net revenue		$ 351	$ 637	$ 1,250	$ 1,363

[1] (1) Cost of revenue, sales and marketing, general and administrative, and research and development expenses are exclusive of depreciation and amortization shown as a separate line item