Non-Marketable Securities - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Non-marketable Securities
Purchase of non-marketable securities	$ 106,200	$ 37,300
Proceeds from non-marketable securities	100,046	4,175	$ 2,006
Alternative investments measured using the equity method	0	0
Impairments on equity securities	4,000	0
Unrealized gains (losses)	$ (35)	$ 1,400