Segment Reporting (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Dec. 31, 2024 USD ($) Segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting [Abstract]
Number of operating segments | Segment		1
Segment Reporting Information [Line Items]
Revenues		$ 175,598	$ 158,706	$ 161,524
Less:
Total costs and operating expenses		212,778	215,173	287,219
Interest income		6,147	6,718	2,565
Depreciation and amortization		18,035	17,699	16,520
Goodwill impairment	$ 59,800	0	0	59,775
Stock-based compensation		11,730	14,299	17,681
Net loss		(31,048)	(49,766)	(118,685)
Reportable Segment
Segment Reporting Information [Line Items]
Revenues		175,598	158,706	161,524
Less:
Headcount expense		61,344	70,699	82,829
Branded media		22,976	22,185	23,055
Partner marketing		35,049	31,102	31,660
Other marketing		5,491	4,270	4,085
Outsourced services		11,921	10,564	12,846
Data licensing, software, and hosting		21,494	23,617	24,826
Other segment expenses		15,680	9,962	12,173
Interest income		(6,147)	(6,718)	(2,565)
Depreciation and amortization		18,035	17,699	16,520
Goodwill impairment		0	0	59,775
Stock-based compensation		11,730	14,299	17,681
Other reconciling items		7,599	1,846	(2,676)
Net loss		$ (31,048)	$ (49,766)	$ (118,685)