Balance Sheet Components - Cash and Cash Equivalents (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash and cash equivalents:
Cash and cash equivalents	$ 1,906,421	$ 1,536,358	$ 1,604,869
Cash equivalents maturity period (in days)	90 days	90 days
Cash
Cash and cash equivalents:
Cash and cash equivalents	$ 1,141,793	$ 950,677
Money market funds
Cash and cash equivalents:
Cash and cash equivalents	$ 764,628	$ 585,681