Cash, Cash Equivalents and Investments - Effective Maturity Dates of Available-for-Sale Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Less than 1 Year	$ 59,956
1-2 Years	77,412
2-3 Years	113,572
3-4 Years	81,930
4-5 Years	64,596
Fair Value, Total	400,854	$ 373,622
available for sale securities debt maturities after five years before seven years fair value	3,388
Treasury Bills [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 1 Year	2,487
1-2 Years	9,177
2-3 Years	21,365
3-4 Years	12,605
4-5 Years	0
Fair Value, Total	45,634
available for sale securities debt maturities after five years before seven years fair value	0
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 1 Year	55,742
1-2 Years	62,324
2-3 Years	92,207
3-4 Years	68,029
4-5 Years	62,614
Fair Value, Total	340,916
available for sale securities debt maturities after five years before seven years fair value	0
Asset-Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 1 Year	737
1-2 Years	5,911
2-3 Years	0
3-4 Years	1,296
4-5 Years	1,982
Fair Value, Total	13,314
available for sale securities debt maturities after five years before seven years fair value	3,388
Sovereign Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 1 Year	990
1-2 Years	0
2-3 Years	0
3-4 Years	0
4-5 Years	0
Fair Value, Total	990
available for sale securities debt maturities after five years before seven years fair value	$ 0