Cash Equivalents and Investments - Summary of amortized cost and fair value of our cash equivalents and investments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Cash and Cash Equivalents [Line Items]
Amortized Cost	$ 15,483	$ 23,187
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(41)	(14)
Estimated Fair Value	15,442	23,173
Money Market Funds [Member]
Cash and Cash Equivalents [Line Items]
Amortized Cost	80,069	98,900
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	80,069	98,900
Commercial Paper [Member]
Cash and Cash Equivalents [Line Items]
Amortized Cost	8,693	11,084
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	8,693	11,084
Asset-Backed Securities [Member]
Cash and Cash Equivalents [Line Items]
Amortized Cost	2,005	2,020
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4)	(2)
Estimated Fair Value	2,001	2,018
US Treasury Securities [Member]
Cash and Cash Equivalents [Line Items]
Amortized Cost	4,785	4,812
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(37)	(8)
Estimated Fair Value	4,748	4,804
Corporate Debt Securities [Member]
Cash and Cash Equivalents [Line Items]
Amortized Cost		5,271
Gross Unrealized Gains		0
Gross Unrealized Losses		(4)
Estimated Fair Value		5,267
Cash Equivalents [Member]
Cash and Cash Equivalents [Line Items]
Amortized Cost	80,069	98,900
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 80,069	$ 98,900