Investments in Non-Marketable Securities - Carrying Value and Fair Value of Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Total non-marketable equity securities	$ 19,002	$ 14,002
MAI
Marketable Securities [Line Items]
Total non-marketable equity securities	12,713	12,713
seqWell
Marketable Securities [Line Items]
Total non-marketable equity securities	5,000	0
Arzeda
Marketable Securities [Line Items]
Total non-marketable equity securities	$ 1,289	$ 1,289