Redeemable Noncontrolling Interest - Schedule of Redeemable Noncontrolling Interest (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Redeemable Noncontrolling Interest [Roll Forward]
Beginning balance	$ 2,294,000	$ 848,000	$ 28,000
Merger of BuzzFeed Japan and HuffPost Japan	0	510,000	0
Allocation of net income	164,000	936,000	820,000
Reclassification into permanent equity	2,458,000	0	0
Ending balance	$ 0	$ 2,294,000	$ 848,000