Fair Value of Financial Assets and Liabilities - Fair Value of Assets and Liabilities on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Short-term investments	$ 12,482	$ 82,034
Fair Value, Measurements, Recurring
Assets
Total assets	70,733	114,863
Long-term liabilities:
Total liabilities	1,841	5,513
Fair Value, Measurements, Recurring | Earn-Out Liabilities
Long-term liabilities:
Total liabilities	1,841	5,513
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Assets
Total assets	70,733	114,863
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Long-term liabilities:
Total liabilities	1,841	5,513
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Earn-Out Liabilities
Long-term liabilities:
Total liabilities	1,841	5,513
Fair Value, Measurements, Recurring | Money Market Funds
Assets
Cash equivalents	58,251	32,829
Fair Value, Measurements, Recurring | Money Market Funds | Fair Value, Inputs, Level 1
Assets
Cash equivalents	58,251	32,829
Fair Value, Measurements, Recurring | US Treasury Securities
Assets
Short-term investments	12,482	82,034
Fair Value, Measurements, Recurring | US Treasury Securities | Fair Value, Inputs, Level 1
Assets
Short-term investments	$ 12,482	$ 82,034