Cash, Cash Equivalents and Investments - Cash, Cash Equivalents and Short-Term Investments and Long-Term Investments (Detail) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 73,414	$ 112,514
Unrealized Holding Gains	0	0
Unrealized Holding Losses	262	484
Fair Value	73,152	112,030
Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	43,978	68,910
Unrealized Holding Gains	0	0
Unrealized Holding Losses	2	6
Fair Value	43,976	68,904
Cash and Cash Equivalents | Cash
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	22,389	26,465
Unrealized Holding Gains	0	0
Unrealized Holding Losses	0	0
Fair Value	22,389	26,465
Cash and Cash Equivalents | Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	16,188	9,589
Unrealized Holding Gains	0	0
Unrealized Holding Losses	0	0
Fair Value	16,188	9,589
Cash and Cash Equivalents | Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,401	32,856
Unrealized Holding Gains	0	0
Unrealized Holding Losses	2	6
Fair Value	5,399	32,850
Short-term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	23,844	25,772
Unrealized Holding Gains	0	0
Unrealized Holding Losses	218	231
Fair Value	23,626	25,541
Short-term Investments | Asset backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,015	2,012
Unrealized Holding Gains	0	0
Unrealized Holding Losses	1	13
Fair Value	1,014	1,999
Short-term Investments | Corporate bonds and medium-term notes
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,673	4,210
Unrealized Holding Gains	0	0
Unrealized Holding Losses	101	32
Fair Value	5,572	4,178
Short-term Investments | Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,220	1,486
Unrealized Holding Gains	0	0
Unrealized Holding Losses	13	25
Fair Value	1,207	1,461
Short-term Investments | U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	9,024	4,771
Unrealized Holding Gains	0	0
Unrealized Holding Losses	99	123
Fair Value	8,925	4,648
Short-term Investments | Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,700	3,850
Unrealized Holding Gains	0	0
Unrealized Holding Losses	1	10
Fair Value	1,699	3,840
Short-term Investments | Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,212	9,443
Unrealized Holding Gains	0	0
Unrealized Holding Losses	3	28
Fair Value	5,209	9,415
Long-term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,592	17,832
Unrealized Holding Gains	0	0
Unrealized Holding Losses	42	247
Fair Value	5,550	17,585
Long-term Investments | Asset backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	3,162	6,749
Unrealized Holding Gains	0	0
Unrealized Holding Losses	29	85
Fair Value	3,133	6,664
Long-term Investments | Corporate bonds and medium-term notes
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,430	5,366
Unrealized Holding Gains	0	0
Unrealized Holding Losses	13	102
Fair Value	$ 2,417	5,264
Long-term Investments | Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		224
Unrealized Holding Gains		0
Unrealized Holding Losses		6
Fair Value		218
Long-term Investments | U.S. treasury and agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		5,493
Unrealized Holding Gains		0
Unrealized Holding Losses		54
Fair Value		$ 5,439