Investments - Summary of Financial Assets Recorded at Fair Value On Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair value measurements
Total financial assets included in cash and cash equivalents	$ 124,478	$ 97,148
Total financial assets included in investments	150,309	218,081
Total financial assets	274,787	315,229
Sovereign Debt Securities
Fair value measurements
Total financial assets included in cash and cash equivalents	60,040	55,938
Total financial assets included in investments	150,309	205,779
Certificates of Deposit
Fair value measurements
Total financial assets included in cash and cash equivalents	10,604
Warrants
Fair value measurements
Total financial assets included in investments		153
Money Market Funds
Fair value measurements
Total financial assets included in cash and cash equivalents	53,834	41,210
Common Stock
Fair value measurements
Total financial assets included in investments		12,149
Level 1
Fair value measurements
Total financial assets included in investments		12,302
Total financial assets		12,302
Level 1 | Warrants
Fair value measurements
Total financial assets included in investments		153
Level 1 | Common Stock
Fair value measurements
Total financial assets included in investments		12,149
Level 2
Fair value measurements
Total financial assets included in cash and cash equivalents	124,478	97,148
Total financial assets included in investments	150,309	205,779
Total financial assets	274,787	302,927
Level 2 | Sovereign Debt Securities
Fair value measurements
Total financial assets included in cash and cash equivalents	60,040	55,938
Total financial assets included in investments	150,309	205,779
Level 2 | Certificates of Deposit
Fair value measurements
Total financial assets included in cash and cash equivalents	10,604
Level 2 | Money Market Funds
Fair value measurements
Total financial assets included in cash and cash equivalents	$ 53,834	$ 41,210