Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income		$ 160,816	$ 198,077	$ 334,365	$ 371,092
Other comprehensive income/(loss), net of tax
Changes in unrealized gains/(losses) on available-for-sale securities	[1],[2]	(57,699)	17,552	(135,530)	(5,118)
Changes in unrealized gains on cash flow hedging instruments	[1]	24,746	0	38,339	0
Foreign currency translation adjustment	[1]	(14,486)	2,409	(17,570)	4,745
Total other comprehensive income/(loss), net of tax	[1]	(47,439)	19,961	(114,761)	(373)
Comprehensive income		$ 113,377	$ 218,038	$ 219,604	$ 370,719

[1] Net of tax benefit of $17.0 million and tax expense of $6.6 million for the three months ended June 30, 2022 and 2021, respectively. Net of tax benefit of $38.2 million and tax benefit of $0.2 million for the six months ended June 30, 2022 and 2021, respectively.

[2] There were no reclassifications to earnings for the three and six months ended June 30, 2022 and 2021.