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Revenues - Summary of Revenues Disaggregated (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Revenues	$ 398.8	$ 382.8	$ 325.9
Connections [Member]
Disaggregation Of Revenue [Line Items]
Revenues	355.1	340.2	282.6
Content [Member]
Disaggregation Of Revenue [Line Items]
Revenues	22.8	23.5	27.9
Commerce [Member]
Disaggregation Of Revenue [Line Items]
Revenues	$ 20.9	$ 19.1	$ 15.4

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