Revenue - Summary of Asset Balances and Related Amortization Expense For Contract Costs (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Costs to Obtain a Contract [Member]
Capitalized Contract Cost [Line Items]
Beginning Balance	$ 290,523	$ 244,339	$ 272,919	$ 232,583
Capitalization of Costs	16,595	13,701	44,881	34,242
Amortization	(11,132)	(9,132)	(21,814)	(17,917)
Ending Balance	295,986	248,908	295,986	248,908
Costs to Fulfill a Contract [Member]
Capitalized Contract Cost [Line Items]
Beginning Balance	285,081	214,969	265,657	199,593
Capitalization of Costs	26,819	21,934	55,449	44,112
Amortization	(9,881)	(7,391)	(19,087)	(14,193)
Ending Balance	$ 302,019	$ 229,512	$ 302,019	$ 229,512