Cash, Cash Equivalents, and Investments - Effective Maturity Dates of Available-for-Sale Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale
less than 1 year	$ 139,334
1-2 Years	68,352
2-3 Years	73,217
3-4 Years	81,054
4-5 Years	49,603
5-8 Years	6,200
Total	417,760	$ 373,622
Corporate bonds
Debt Securities, Available-for-sale
less than 1 year	134,032
1-2 Years	57,463
2-3 Years	59,120
3-4 Years	58,225
4-5 Years	44,905
5-8 Years	0
Total	353,745
Treasury notes
Debt Securities, Available-for-sale
less than 1 year	0
1-2 Years	3,429
2-3 Years	14,097
3-4 Years	22,829
4-5 Years	4,698
5-8 Years	0
Total	45,053
Asset-backed securities
Debt Securities, Available-for-sale
less than 1 year	4,309
1-2 Years	6,486
2-3 Years	0
3-4 Years	0
4-5 Years	0
5-8 Years	6,200
Total	16,995
Sovereign bonds
Debt Securities, Available-for-sale
less than 1 year	993
1-2 Years	974
2-3 Years	0
3-4 Years	0
4-5 Years	0
5-8 Years	0
Total	$ 1,967