Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income		$ 158,505	$ 68,161	$ 487,374	$ 360,052
Other comprehensive income/(loss), net of tax:
Changes in unrealized gains/(losses) on available-for-sale securities	[1],[2]	39,411	(26,172)	31,174	(17,113)
Foreign currency translation adjustment	[1]	4,984	(3,472)	2,766	914
Total other comprehensive income/(loss), net of tax		44,395	(29,644)	33,940	(16,199)
Comprehensive income		$ 202,900	$ 38,517	$ 521,314	$ 343,853

[1] Net of a tax expense of $16.3 million and tax benefit of $17.9 million for the three months ended September 30, 2024 and 2023, respectively. Net of a tax expense of $12.2 million and tax benefit of $6.3 million for the nine months ended September 30, 2024 and 2023, respectively.

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