CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenue	$ 73,299	$ 103,733	$ 218,353	$ 302,051
Costs and Expenses
Cost of revenue, excluding depreciation and amortization	39,836	60,989	137,687	183,336
Sales and marketing	10,300	16,317	39,736	52,808
General and administrative	19,080	27,254	62,438	92,381
Research and development	2,815	5,900	10,594	23,345
Depreciation and amortization	8,068	9,198	24,503	26,292
Impairment expense	0	2,160	0	2,160
Total costs and expenses	80,099	121,818	274,958	380,322
Loss from operations	(6,800)	(18,085)	(56,605)	(78,271)
Other expense, net	(1,307)	(2,752)	(4,362)	(5,330)
Interest expense, net	(5,904)	(5,171)	(16,953)	(14,992)
Change in fair value of warrant liabilities	104	(395)	(94)	2,964
Change in fair value of derivative liability	30	300	150	3,525
Loss before income taxes	(13,877)	(26,103)	(77,864)	(92,104)
Income tax provision	55	890	165	3,036
Net loss	(13,932)	(26,993)	(78,029)	(95,140)
Net income attributable to the redeemable noncontrolling interest	0	0	0	164
Net (loss) income attributable to noncontrolling interests	(210)	(137)	(470)	211
Net loss attributable to BuzzFeed, Inc.	$ (13,722)	$ (26,856)	$ (77,559)	$ (95,515)
Net loss per Class A, Class B and Class C common share:
Basic (in dollars per share)	$ (0.09)	$ (0.19)	$ (0.54)	$ (0.69)
Diluted (in dollars per share)	$ (0.09)	$ (0.19)	$ (0.54)	$ (0.69)
Weighted average common shares outstanding:
Basic (in shares)	145,053	138,939	142,585	137,591
Diluted (in shares)	145,053	138,939	142,585	137,591