Fair Value Measurements - Additional Information (Detail)	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
Fair Value Disclosures [Abstract]
Remaining contractual maturities for available-for-sale securities		one month to thirteen months
Securities in unrealized loss position for more than 12 months	$ 18,000,000.0	$ 18,000,000.0
Unrealized Losses Caused By Change In Market Interest Rates		89,000
Other-than-temporary impairment losses related to investments	$ 0	$ 0