Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2026	Jun. 30, 2026	Mar. 31, 2026	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025
Accumulated other comprehensive income (loss):
Beginning balance	$ 3,674,537	$ 3,534,113	$ 3,242,658	$ 2,732,400	$ 2,555,853	$ 2,327,665
Other comprehensive income (loss)	2,225	(5,147)	536	188	5,232	234
Ending balance	3,762,928	3,674,537	3,534,113	3,027,750	2,732,400	2,555,853
Accumulated Other Comprehensive Loss
Accumulated other comprehensive income (loss):
Beginning balance	(16,417)	(11,270)	(11,806)	(12,718)	(17,950)	(18,184)
Other comprehensive income (loss)	2,225	(5,147)	536	188	5,232	234
Ending balance	(14,192)	(16,417)	(11,270)	(12,530)	(12,718)	(17,950)
Unrealized (Losses) Gains on Available-for-Sale Investments
Accumulated other comprehensive income (loss):
Beginning balance	(28)	(28)	83	(81)	(154)	(30)
Other comprehensive income (loss)	(36)	0	(111)	213	73	(124)
Ending balance	(64)	(28)	(28)	132	(81)	(154)
Foreign Currency Translation
Accumulated other comprehensive income (loss):
Beginning balance	(16,389)	(11,242)	(11,889)	(12,637)	(17,796)	(18,154)
Other comprehensive income (loss)	2,261	(5,147)	647	(25)	5,159	358
Ending balance	$ (14,128)	$ (16,389)	$ (11,242)	$ (12,662)	$ (12,637)	$ (17,796)