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Acquisitions, Intangible Assets, and Goodwill - Acquisitions, Narrative (Details) - USD ($) $ in Thousands				9 Months Ended	12 Months Ended
	Feb. 23, 2023	Mar. 14, 2022	Jan. 13, 2022	Sep. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Trade name
Business Acquisition [Line Items]
Useful life (in years)				3 years 10 months 24 days	4 years 7 months 6 days
Content
Business Acquisition [Line Items]
Useful life (in years)				2 years 6 months	3 years 1 month 6 days
Customer relationships
Business Acquisition [Line Items]
Useful life (in years)				2 years 1 month 6 days	2 years 3 months 18 days
Developed technology
Business Acquisition [Line Items]
Useful life (in years)				4 years 1 month 6 days	4 years 9 months 18 days
Traffic Think Tank
Business Acquisition [Line Items]
Consideration transferred	$ 1,800
Identifiable intangible assets	$ 594
Traffic Think Tank | Trade name
Business Acquisition [Line Items]
Useful life (in years)	6 years
Traffic Think Tank | Content
Business Acquisition [Line Items]
Useful life (in years)	4 years
Traffic Think Tank | Customer relationships
Business Acquisition [Line Items]
Useful life (in years)	5 years
Traffic Think Tank | 12-Month Holdback Amount
Business Acquisition [Line Items]
Business combination, holdback amount	$ 360
Traffic Think Tank | 18-Month Holdback Amount
Business Acquisition [Line Items]
Business combination, holdback amount	$ 360
Kompyte
Business Acquisition [Line Items]
Identifiable intangible assets		$ 5,500				$ 5,500
Outstanding capital acquired (as percent)		100.00%
Cash consideration for acquisition		$ 10
Kompyte | Trade name
Business Acquisition [Line Items]
Useful life (in years)		6 years
Kompyte | Customer relationships
Business Acquisition [Line Items]
Useful life (in years)		3 years
Kompyte | Developed technology
Business Acquisition [Line Items]
Useful life (in years)		6 years
Backlinko
Business Acquisition [Line Items]
Identifiable intangible assets			$ 3,915
Cash consideration for acquisition			$ 4
Backlinko | Trade name
Business Acquisition [Line Items]
Useful life (in years)			5 years
Backlinko | Content
Business Acquisition [Line Items]
Useful life (in years)			4 years

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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