Revenues (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 328,636	$ 314,485
Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	328,636	314,485
Operating Segments | Technology & Shopping
Disaggregation of Revenue [Line Items]
Total revenues	81,690	69,267
Operating Segments | Gaming & Entertainment
Disaggregation of Revenue [Line Items]
Total revenues	38,026	36,640
Operating Segments | Health & Wellness
Disaggregation of Revenue [Line Items]
Total revenues	85,786	79,978
Operating Segments | Connectivity
Disaggregation of Revenue [Line Items]
Total revenues	55,820	53,148
Operating Segments | Cybersecurity & Martech
Disaggregation of Revenue [Line Items]
Total revenues	67,314	75,452
Operating Segments | Advertising and performance marketing | Technology & Shopping
Disaggregation of Revenue [Line Items]
Total revenues	79,476	65,907
Operating Segments | Advertising and performance marketing | Gaming & Entertainment
Disaggregation of Revenue [Line Items]
Total revenues	24,371	22,755
Operating Segments | Advertising and performance marketing | Health & Wellness
Disaggregation of Revenue [Line Items]
Total revenues	68,925	64,447
Operating Segments | Advertising and performance marketing | Connectivity
Disaggregation of Revenue [Line Items]
Total revenues	2,468	2,969
Operating Segments | Subscription and licensing | Technology & Shopping
Disaggregation of Revenue [Line Items]
Total revenues	2,178	1,695
Operating Segments | Subscription and licensing | Gaming & Entertainment
Disaggregation of Revenue [Line Items]
Total revenues	13,646	13,885
Operating Segments | Subscription and licensing | Health & Wellness
Disaggregation of Revenue [Line Items]
Total revenues	13,128	11,584
Operating Segments | Subscription and licensing | Connectivity
Disaggregation of Revenue [Line Items]
Total revenues	49,662	46,303
Operating Segments | Subscription and licensing | Cybersecurity & Martech
Disaggregation of Revenue [Line Items]
Total revenues	67,314	75,452
Operating Segments | Other | Technology & Shopping
Disaggregation of Revenue [Line Items]
Total revenues	36	1,665
Operating Segments | Other | Gaming & Entertainment
Disaggregation of Revenue [Line Items]
Total revenues	9	0
Operating Segments | Other | Health & Wellness
Disaggregation of Revenue [Line Items]
Total revenues	3,733	3,947
Operating Segments | Other | Connectivity
Disaggregation of Revenue [Line Items]
Total revenues	3,690	3,876
Operating Segments | Other | Cybersecurity & Martech
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Corporate
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0