Nature of Business and Basis of Presentation - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2022 USD ($) Segment	Dec. 31, 2021 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments | Segment	1
Total assets	$ 908,303,000	$ 1,068,065,000
Cash and liquid short-term and long-term investments	306,000,000.0
Total current assets	686,520,000	878,727,000
Cash and cash equivalents	240,498,000	219,454,000
Short-term investments	63,203,000	234,674,000
Accounts receivable, net	123,379,000	163,653,000
Inventory	227,606,000	234,676,000
Long-term investments	2,264,000	34,996,000
Long-term inventory	187,964,000	$ 121,254,000
Debt outstanding	$ 0