Segment Information - Schedule of Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total operating loss	$ (2,065)	$ 2,255	$ (4,873)	$ 2,114
Loss before taxes	(3,415)	1,269	(7,436)	(139)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total operating loss	(4,360)	(3,841)	(8,423)	(6,765)
Corporate other expense	(1,350)	(986)	(2,563)	(2,253)
Sell-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating loss	447	2,172	1,409	3,450
Buy-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating loss	$ 1,848	$ 3,924	$ 2,141	$ 5,429