Nature of Business and Basis of Presentation - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2021 USD ($) Segment	Dec. 31, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments | Segment	1
Total assets	$ 1,068,065,000	$ 966,021,000
Cash and liquid short-term and long-term investments	489,100,000
Current assets	878,727,000	879,233,000
Cash and cash equivalents	219,454,000	186,964,000
Short-term investments	234,674,000	313,969,000
Accounts receivable, net	163,653,000	154,574,000
Inventory	234,676,000	188,864,000
Long-term investments	34,996,000	62,469,000
Long-term inventory	121,254,000
Debt outstanding	$ 0