Investments - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Jan. 31, 2022	Dec. 31, 2021	Jun. 30, 2021
Schedule Of Investments [Line Items]
Short-term investments	$ 95,203,000		$ 79,932,000
Long-term investments	70,542,000		56,619,000
Interest on investments	400,000
Amortization on investments	300,000
Allowance for credit losses	0
Unrealized holding loss	1,100,000
Prepaid Expenses and Other Current Assets
Schedule Of Investments [Line Items]
Investment securities	500,000		300,000
Convertible Promissory Note | Thirona Bio, Inc.
Schedule Of Investments [Line Items]
Investment securities	$ 6,900,000	$ 5,000.0	$ 3,000,000.0	$ 3,000.0