Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income		$ 163,575	$ 157,539
Other comprehensive income/(loss), net of tax:
Changes in unrealized gains/(losses) on available-for-sale securities	[1],[2]	(8,204)	22,710
Foreign currency translation adjustment	[1]	(1,644)	3,429
Total other comprehensive income/(loss), net of tax		(9,848)	26,139
Comprehensive income		$ 153,727	$ 183,678

[1] Net of a tax benefit of $3.3 million and tax expense of $8.7 million for the three months ended March 31, 2024 and 2023, respectively.

[2] There were no reclassifications to earnings for the three months ended March 31, 2024. Net of reclassifications to earnings of realized losses of $5.6 million for the three months ended March 31, 2023.