Nature of Business and Basis of Presentation - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2022 USD ($) Segment	Dec. 31, 2021 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments | Segment	1
Total assets	$ 973,709,000	$ 1,068,065,000
Cash and liquid short-term and long-term investments	389,300,000
Current assets	772,619,000	878,727,000
Cash and cash equivalents	219,151,000	219,454,000
Short-term investments	143,406,000	234,674,000
Accounts receivable, net	110,234,000	163,653,000
Inventory	267,818,000	234,676,000
Long-term investments	26,701,000	34,996,000
Long-term inventory	141,052,000	$ 121,254,000
Debt outstanding	$ 0