Fair Value Measurements - Schedule of Financial Assets and Liabilities Subject to Fair Value Measurements on a Recurring Basis and the Level of Inputs Used (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets:
Marketable investments:	$ 105,899	$ 144,566
Liabilities:
Warrant liabilities	84	1,069
U.S. treasury securities
Assets:
Marketable investments:	18,136	86,784
U.S. agency and government sponsored securities
Assets:
Marketable investments:	1,542	2,732
Corporate bonds
Assets:
Marketable investments:	75,845	44,906
Certificate of deposit
Assets:
Marketable investments:	500
Fair Value, Recurring
Assets:
Total cash equivalents	40,627	103,436
Marketable equity investments	3,090	7,755
Total marketable investments	108,989	150,727
Fair Value, Recurring | Private Warrants
Liabilities:
Warrant liabilities	84	1,069
Fair Value, Recurring | U.S. treasury securities
Assets:
Marketable investments:	18,136	86,784
Fair Value, Recurring | U.S. agency and government sponsored securities
Assets:
Marketable investments:	1,542	2,732
Fair Value, Recurring | Commercial paper
Assets:
Marketable investments:	9,876	9,647
Fair Value, Recurring | Corporate bonds
Assets:
Marketable investments:	75,845	43,809
Fair Value, Recurring | Certificate of deposit
Assets:
Marketable investments:	500
Fair Value, Recurring | Money market funds
Assets:
Total cash equivalents	40,627	101,842
Fair Value, Recurring | Commercial paper
Assets:
Total cash equivalents		497
Fair Value, Recurring | Corporate bonds
Assets:
Total cash equivalents		1,097
Level 1 | Fair Value, Recurring
Assets:
Total cash equivalents	40,627	101,842
Marketable equity investments	3,090	7,755
Total marketable investments	21,226	94,539
Level 1 | Fair Value, Recurring | Private Warrants
Liabilities:
Warrant liabilities	0	0
Level 1 | Fair Value, Recurring | U.S. treasury securities
Assets:
Marketable investments:	18,136	86,784
Level 1 | Fair Value, Recurring | U.S. agency and government sponsored securities
Assets:
Marketable investments:	0	0
Level 1 | Fair Value, Recurring | Commercial paper
Assets:
Marketable investments:	0	0
Level 1 | Fair Value, Recurring | Corporate bonds
Assets:
Marketable investments:	0	0
Level 1 | Fair Value, Recurring | Certificate of deposit
Assets:
Marketable investments:	0
Level 1 | Fair Value, Recurring | Money market funds
Assets:
Total cash equivalents	40,627	101,842
Level 1 | Fair Value, Recurring | Commercial paper
Assets:
Total cash equivalents		0
Level 1 | Fair Value, Recurring | Corporate bonds
Assets:
Total cash equivalents		0
Level 2 | Fair Value, Recurring
Assets:
Total cash equivalents	0	1,594
Marketable equity investments	0	0
Total marketable investments	87,763	56,188
Level 2 | Fair Value, Recurring | Private Warrants
Liabilities:
Warrant liabilities	0	0
Level 2 | Fair Value, Recurring | U.S. treasury securities
Assets:
Marketable investments:	0	0
Level 2 | Fair Value, Recurring | U.S. agency and government sponsored securities
Assets:
Marketable investments:	1,542	2,732
Level 2 | Fair Value, Recurring | Commercial paper
Assets:
Marketable investments:	9,876	9,647
Level 2 | Fair Value, Recurring | Corporate bonds
Assets:
Marketable investments:	75,845	43,809
Level 2 | Fair Value, Recurring | Certificate of deposit
Assets:
Marketable investments:	500
Level 2 | Fair Value, Recurring | Money market funds
Assets:
Total cash equivalents	0	0
Level 2 | Fair Value, Recurring | Commercial paper
Assets:
Total cash equivalents		497
Level 2 | Fair Value, Recurring | Corporate bonds
Assets:
Total cash equivalents		1,097
Level 3 | Fair Value, Recurring
Assets:
Total cash equivalents	0	0
Marketable equity investments	0	0
Total marketable investments	0	0
Level 3 | Fair Value, Recurring | Private Warrants
Liabilities:
Warrant liabilities	84	1,069
Level 3 | Fair Value, Recurring | U.S. treasury securities
Assets:
Marketable investments:	0	0
Level 3 | Fair Value, Recurring | U.S. agency and government sponsored securities
Assets:
Marketable investments:	0	0
Level 3 | Fair Value, Recurring | Commercial paper
Assets:
Marketable investments:	0	0
Level 3 | Fair Value, Recurring | Corporate bonds
Assets:
Marketable investments:	0	0
Level 3 | Fair Value, Recurring | Certificate of deposit
Assets:
Marketable investments:	0
Level 3 | Fair Value, Recurring | Money market funds
Assets:
Total cash equivalents	$ 0	0
Level 3 | Fair Value, Recurring | Commercial paper
Assets:
Total cash equivalents		0
Level 3 | Fair Value, Recurring | Corporate bonds
Assets:
Total cash equivalents		$ 0