Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets
Investments, fair value	$ 79,492
Commercial paper
Assets
Investments, fair value	79,492
Commercial paper
Assets
Cash equivalents, fair value	8,998
Level 1 | Fair Value, Recurring
Assets
Cash equivalents, fair value	0	$ 0
Investments, fair value	0	0
Total	0	0
Level 1 | Fair Value, Recurring | Commercial paper
Assets
Investments, fair value	0	0
Level 1 | Commercial paper | Fair Value, Recurring
Assets
Cash equivalents, fair value	0	0
Level 2 | Fair Value, Recurring
Assets
Cash equivalents, fair value	8,998	0
Investments, fair value	79,492	0
Total	88,490	0
Level 2 | Fair Value, Recurring | Commercial paper
Assets
Investments, fair value	79,492	0
Level 2 | Commercial paper | Fair Value, Recurring
Assets
Cash equivalents, fair value	8,998	0
Level 3 | Fair Value, Recurring
Assets
Cash equivalents, fair value	0	0
Investments, fair value	0	0
Total	0	0
Level 3 | Fair Value, Recurring | Commercial paper
Assets
Investments, fair value	0	0
Level 3 | Commercial paper | Fair Value, Recurring
Assets
Cash equivalents, fair value	$ 0	$ 0