Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue
Total	[1],[2]	$ 85,322	$ 85,709
Products and services transferred over time
Disaggregation of Revenue
Total		72,164	72,859
Products and services transferred at a point in time
Disaggregation of Revenue
Total		13,158	12,850
United States
Disaggregation of Revenue
Total		75,142	76,408
Europe
Disaggregation of Revenue
Total		6,137	5,308
Latin America
Disaggregation of Revenue
Total		1,857	1,731
Canada
Disaggregation of Revenue
Total		1,203	1,273
Other
Disaggregation of Revenue
Total		983	989
Total Content & Ad Measurement
Disaggregation of Revenue
Total		73,113	73,166
Syndicated Audience
Disaggregation of Revenue
Total		60,511	63,504
Cross-Platform
Disaggregation of Revenue
Total		12,602	9,662
Research & Insight Solutions
Disaggregation of Revenue
Total		$ 12,209	$ 12,543

[1] Three Months Ended March 31,20262025Revenues$501 $2,604 Cost of revenues2,778 5,766 Convertible redeemable preferred stock dividends— (4,439)

[2] (1) Transactions with related parties are included in the line items above as follows. Refer to Footnote 8, Related Party Transactions.