Financial Instruments - Summary of Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Total short-term investments (available for sale), Fair value	$ 399,315	$ 174,213
Short-term, Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Total short-term investments (available for sale), Cost	3,016	5,028
Total short-term investments (available for sale), Gross Unrealized (Loss)	(22)	(1)
Total short-term investments (available for sale), Fair value	2,994	5,027
Short-term, Non-governmental Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total short-term investments (available for sale), Cost	222,575	168,623
Total short-term investments (available for sale), Gross Unrealized Gain	37	27
Total short-term investments (available for sale), Gross Unrealized (Loss)	(2,880)	(184)
Total short-term investments (available for sale), Fair value	219,732	168,466
Short-term, Treasury and Federal Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Total short-term investments (available for sale), Cost	179,068	720
Total short-term investments (available for sale), Gross Unrealized Gain	6
Total short-term investments (available for sale), Gross Unrealized (Loss)	(2,485)
Total short-term investments (available for sale), Fair value	176,589	720
Short-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Total short-term investments (available for sale), Cost	404,659	174,371
Total short-term investments (available for sale), Gross Unrealized Gain	43	27
Total short-term investments (available for sale), Gross Unrealized (Loss)	(5,387)	(185)
Total short-term investments (available for sale), Fair value	$ 399,315	$ 174,213