Acquisitions - Additional Information (Detail) $ in Thousands	1 Months Ended	3 Months Ended
	Dec. 31, 2021 USD ($) Company	Mar. 31, 2022 USD ($) Business
Business Acquisition [Line Items]
Number of business acquisitions completed | Business		2
Aggregate consideration		$ 13,200
Issuance of common stock for employee stock purchase program		4,187
World Programming [Member]
Business Acquisition [Line Items]
Aggregate consideration	$ 73,050
Number Of Privately Held Companies Acquired | Company	2
Contingent consideration	$ 23,100	2,800
World Programming [Member] | Employees [Member] | Other Accrued Expenses and Current Liabilities [Member]
Business Acquisition [Line Items]
Contingent consideration		$ 2,800
Class A Common Stock [Member] | World Programming [Member]
Business Acquisition [Line Items]
Amount of cash consideration	50,000
Contingent consideration	20,300
Issuance of common stock for employee stock purchase program	$ 29,500
Stock-based compensation recognized service period	3 years