CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Revenue	$ 46,317	$ 55,568	$ 128,732	$ 133,692
Costs and expenses
Cost of revenue, excluding depreciation and amortization	29,582	28,278	81,061	77,150
Sales and marketing	3,944	3,829	12,444	15,946
General and administrative	12,732	14,698	37,778	44,999
Research and development	2,527	2,581	8,416	8,532
Depreciation and amortization	3,518	4,609	12,227	14,549
Total costs and expenses	52,303	53,995	151,926	161,176
(Loss) income from continuing operations	(5,986)	1,573	(23,194)	(27,484)
Other (expense) income, net	(579)	2,226	(4,361)	3,838
Interest expense, net	(1,412)	(1,484)	(4,079)	(5,188)
Change in fair value of warrant liabilities	205	87	1,187	(582)
(Loss) income from continuing operations before income taxes	(7,772)	2,402	(30,447)	(29,416)
Income tax (benefit) provision	(346)	(110)	67	396
Net (loss) income from continuing operations	(7,426)	2,512	(30,514)	(29,812)
Net loss from discontinued operations, net of tax	0	(378)	0	(11,196)
Net (loss) income	(7,426)	2,134	(30,514)	(41,008)
Less: net income attributable to noncontrolling interests	9	45	412	119
Net (loss) income attributable to BuzzFeed, Inc.	(7,435)	2,089	(30,926)	(41,127)
Net (loss) income from continuing operations attributable to holders of Class A and Class B common stock:
Basic	(7,435)	2,467	(30,926)	(29,931)
Diluted	$ (7,435)	$ 2,467	$ (30,926)	$ (29,931)
Net (loss) income from continuing operations per Class A and Class B common share:
Basic (in dollars per share)	$ (0.20)	$ 0.07	$ (0.81)	$ (0.81)
Diluted (in dollars per share)	$ (0.20)	$ 0.06	$ (0.81)	$ (0.81)
Weighted average common shares outstanding:
Basic (in shares)	37,212	37,949	37,986	37,181
Diluted (in shares)	37,212	38,608	37,986	37,181