Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2025 USD ($) FinancialInstitution Customers $ / shares shares	Mar. 31, 2024 USD ($) Customers	Dec. 31, 2024 USD ($)	Sep. 30, 2021 shares
Significant Accounting Policies [Line Items]
Revenue, remaining performance obligation, amount	$ 71,900,000
Allowance for doubtful accounts	0		$ 0
Impairment of Long-Lived Assets to be Disposed of	0	$ 0
Accrued interest receivable on available-for-sale investments	4,151,000		2,221,000
Capitalized materials and supplies	$ 2,100,000	1,000,000
Warrant issue price | $ / shares	$ 11.5
Class of warrant redeemed | shares	0
Letters of credit outstanding amount	$ 2,300,000		2,100,000
Percentage Of Remaining Performance Obligation	40.00%
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Explanation	twelve months
Number of financial institutions | FinancialInstitution	3
Research and development expense	$ 39,953,000	32,368,000
Capitalized Commissions [Member]
Significant Accounting Policies [Line Items]
Capitalized contract cost	2,200,000		$ 2,400,000
Capitalized contract cost amortization expense	300,000	400,000
Maximum [Member] | Excess and Obsolescence [Member]
Significant Accounting Policies [Line Items]
Excess and obsolescence charges	$ 100,000	$ 100,000
Revenue Benchmark [Member]
Significant Accounting Policies [Line Items]
Number of customers over ten percent benchmark | Customers	2	2
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	10.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customer [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	70.00%	69.00%
Software and Software Development Costs [Member]
Significant Accounting Policies [Line Items]
Finite lived intangible asset, estimated useful life	3 years
Software and Software Development Costs [Member] | Internal-Use Software [Member]
Significant Accounting Policies [Line Items]
Amortization of intangible assets	$ 1,500,000	$ 1,100,000
Intangible asset capitalized during period	1,500,000	2,600,000
Software and Software Development Costs [Member] | External-Use Software [Member]
Significant Accounting Policies [Line Items]
Intangible asset capitalized during period	$ 0	$ 0
Public Warrants [Member]
Significant Accounting Policies [Line Items]
Number of warrants or rights outstanding | shares	1,911,858			7,500,000