Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income		$ 165,294	$ 134,352	$ 328,869	$ 291,891
Other comprehensive income/(loss), net of tax:
Changes in unrealized gains/(losses) on available-for-sale securities	[1],[2]	(33)	(13,651)	(8,237)	9,059
Foreign currency translation adjustment	[1]	(574)	957	(2,218)	4,386
Total other comprehensive income/(loss), net of tax		(607)	(12,694)	(10,455)	13,445
Comprehensive income		$ 164,687	$ 121,658	$ 318,414	$ 305,336

[1] Net of tax benefits of $0.2 million and $4.4 million for the three months ended June 30, 2024 and 2023, respectively. Net of a tax benefit of $3.7 million and tax expense of 4.6 million for the six months ended June 30, 2024 and 2023, respectively.

[2] There were no reclassifications to earnings for the six months ended June 30, 2024. There were no reclassifications to earnings for the three months ended June 30, 2023. Net of reclassifications to earnings of realized losses of $5.6 million for the six months ended June 30, 2023.