Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 581,191	$ 462,258	$ 475,467
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(8,282)	9,516	(19,892)
Unrealized holding (loss) gain on investments:
Unrealized holding (losses) gains during the period, net of income taxes of $391, $(675) and $2,893	(1,291)	2,252	(9,700)
Less: reclassification adjustment for (gains) losses realized in net income, net of income taxes of $104, $(48) and $(134)	(370)	167	468
Total other comprehensive (loss) income, net of taxes	(9,943)	11,935	(29,124)
Comprehensive income	$ 571,248	$ 474,193	$ 446,343