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Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock compensation expense capitalized to inventory	$ 0.4	$ 0.3	$ 0.8	$ 0.5
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	$ 46.9		$ 46.9
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			2 years 6 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	20,574,984		20,574,984		16,744,639
Restricted common stock, vesting in equal monthly installments			10 years
Aggregate Intrinsic Value, Exercised			$ 0.3	5.9
Fair Value of Shares Vested			$ 16.3	$ 12.2
Common stock reserved for future awards or option grants	33,116,833		33,116,833		27,599,226
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 8.2	$ 8.6
Restricted Stock Units [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	0		0		1,382
Equity Incentive Plan 2016 and 2020 [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	30,701,662		30,701,662
Equity Incentive Plan 2018 [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	6,634,333		6,634,333
Common Stock [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share purchased under employee stock purchase plan			97,515	111,918
Equity Incentive Plans [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Description			The Company maintains the 2016, 2018 and 2022 Equity Incentive Plans and the Employee Stock Purchase Plan (“ESPP”). Shares of common stock purchased under the ESPP for the six months ended June 30, 2026 and 2025 were 97,515 shares and 111,918 shares, respectively.
Equity Incentive Plans [Member] \| Equity Incentive Plan 2016 and 2020 [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	16,681,089		16,681,089
Common stock reserved for future awards or option grants	8,874,000		8,874,000
Equity Incentive Plans [Member] \| Equity Incentive Plan 2018 [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	3,893,895		3,893,895
Common stock reserved for future awards or option grants	297,345		297,345