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Fair Value Measurements - Summary of Contingent Earnout Payments for Each Acquisition (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition Contingent Consideration [Line Items]
Beginning Balance as of January 1	$ 16,450
Accretion of contingent consideration	793	$ 600
Fair value adjustment		(13,740)
Earned amount due to shareholders		(15,000)
Ending Balance		16,450
Common Class A [Member]
Business Acquisition Contingent Consideration [Line Items]
Earned amount due to shareholders	(17,243)
Silver Cloud Health Holdings, Inc. [Member]
Business Acquisition Contingent Consideration [Line Items]
Initial estimate of fair value related to contingent consideration		29,360
Conversa Health Inc. [Member]
Business Acquisition Contingent Consideration [Line Items]
Initial estimate of fair value related to contingent consideration		$ 15,230
Conversa Health Inc. [Member] | Common Class A [Member]
Business Acquisition Contingent Consideration [Line Items]
Fair value adjustment	$ 793

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