CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue	$ 46,394	$ 41,115	$ 82,415	$ 78,124
Costs and expenses
Cost of revenue, excluding depreciation and amortization	27,987	21,733	51,479	48,872
Sales and marketing	4,242	3,739	8,500	12,117
General and administrative	10,684	14,052	25,046	30,301
Research and development	2,823	2,721	5,889	5,951
Depreciation and amortization	4,124	4,461	8,709	9,940
Total costs and expenses	49,860	46,706	99,623	107,181
Loss from continuing operations	(3,466)	(5,591)	(17,208)	(29,057)
Other (expense) income, net	(5,080)	2,168	(3,782)	1,612
Interest expense, net	(1,496)	(1,495)	(2,667)	(3,704)
Change in fair value of warrant liabilities	(252)	(632)	982	(669)
Loss from continuing operations before income taxes	(10,294)	(5,550)	(22,675)	(31,818)
Income tax provision (benefit)	333	(176)	413	506
Net loss from continuing operations	(10,627)	(5,374)	(23,088)	(32,324)
Net loss from discontinued operations, net of tax	0	(1,986)	0	(10,817)
Net loss	(10,627)	(7,360)	(23,088)	(43,141)
Less: net income attributable to noncontrolling interests	193	127	403	74
Net loss attributable to BuzzFeed, Inc.	(10,820)	(7,487)	(23,491)	(43,215)
Net loss from continuing operations attributable to holders of Class A and Class B common stock:
Basic	(10,820)	(5,501)	(23,491)	(32,398)
Diluted	$ (10,820)	$ (5,501)	$ (23,491)	$ (32,398)
Net loss from continuing operations per Class A and Class B common share:
Basic (in dollars per share)	$ (0.28)	$ (0.15)	$ (0.61)	$ (0.88)
Diluted (in dollars per share)	$ (0.28)	$ (0.15)	$ (0.61)	$ (0.88)
Weighted average common shares outstanding:
Basic (in shares)	38,080	37,007	38,380	36,792
Diluted (in shares)	38,080	37,007	38,380	36,792