Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Accumulated other comprehensive income (loss):
Beginning balance	$ 1,933,381	$ 1,821,880	$ 1,615,765	$ 1,447,027	$ 1,405,930	$ 1,270,666
Other comprehensive (loss) income	5,074	(2,608)	(907)	(6,143)	(1,407)	1,860
Ending balance	2,099,836	1,933,381	1,821,880	1,525,058	1,447,027	1,405,930
Accumulated Other Comprehensive Loss
Accumulated other comprehensive income (loss):
Beginning balance	(14,194)	(11,586)	(10,679)	(6,726)	(5,319)	(7,179)
Other comprehensive (loss) income	5,074	(2,608)	(907)	(6,143)	(1,407)	1,860
Ending balance	(9,120)	(14,194)	(11,586)	(12,869)	(6,726)	(5,319)
Unrealized Gains (Losses) on Available-for-Sale Investments
Accumulated other comprehensive income (loss):
Beginning balance	(386)	(505)	(399)	(1,917)	(1,067)	(1,251)
Other comprehensive (loss) income	434	119	(106)	656	(850)	184
Ending balance	48	(386)	(505)	(1,261)	(1,917)	(1,067)
Foreign Currency Translation
Accumulated other comprehensive income (loss):
Beginning balance	(13,808)	(11,081)	(10,280)	(4,809)	(4,252)	(5,928)
Other comprehensive (loss) income	4,640	(2,727)	(801)	(6,799)	(557)	1,676
Ending balance	$ (9,168)	$ (13,808)	$ (11,081)	$ (11,608)	$ (4,809)	$ (4,252)