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Fair Value Measurements - Summary of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 83,708	$ 86,564
Unrealized Gains	3	18
Unrealized Losses	(415)	(117)
Financial assets and liabilities	83,296	86,465
Cash equivalents (maturities within 90 days)	40,161	29,454
Cash and cash equivalents	67,564	69,724	$ 85,315	$ 66,841
Short-term investments (maturities within one year)	23,960	37,078
Long-term investments (maturities beyond 1 year)	19,175	19,933
Total cash equivalents and investments	83,296	86,465
Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	2,897
Unrealized Gains	0
Unrealized Losses	(2)
Financial assets and liabilities	2,895
Money Market Funds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	32,361	15,954
Unrealized Gains	0	0
Unrealized Losses	0	0
Financial assets and liabilities	32,361	15,954
Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	8,305	11,511
Unrealized Gains	1	12
Unrealized Losses	(79)	(20)
Financial assets and liabilities	8,227	11,503
Repurchase Agreements
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	5,000	13,500
Unrealized Gains	0	0
Unrealized Losses	0	0
Financial assets and liabilities	5,000	13,500
Corporate Notes
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	26,673	38,470
Unrealized Gains	2	6
Unrealized Losses	(257)	(79)
Financial assets and liabilities	26,418	38,397
Government and Agency Notes
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	6,756	5,195
Unrealized Gains	0	0
Unrealized Losses	(67)	(17)
Financial assets and liabilities	6,689	5,178
Municipal Notes
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	1,716	1,934
Unrealized Gains	0	0
Unrealized Losses	(10)	(1)
Financial assets and liabilities	$ 1,706	$ 1,933