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Related-Party Transactions (Details)	Dec. 31, 2025 director observer
Advance Magazine Publishers Inc.
Related Party Transaction [Line Items]
Number of nominated directors	2
Number of nominated observers | observer	1
Number of directors on each board committee	1
Affirmative vote or written consent of counterparty required maximum ownership threshold	0.05
Affirmative vote or written consent of counterparty required maximum ownership percentage upon closing of the initial public offering	0.50
Percentage of shares owned by related party	0.075
Advance Magazine Publishers Inc. | Reddit, Inc.
Related Party Transaction [Line Items]
Percentage of ownership in Reddit	22.00%

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