Accumulated Other Comprehensive Income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022
Accumulated other comprehensive income (loss):
Beginning balance	$ 1,402,995	$ 1,268,491	$ 1,124,789	$ 1,047,849
Other comprehensive (loss) income	(1,407)	1,860	(2,327)	(1,561)
Ending balance	1,444,998	1,402,995	1,193,651	1,124,789
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss):
Beginning balance	(5,319)	(7,179)	(2,878)	(1,317)
Other comprehensive (loss) income	(1,407)	1,860	(2,327)	(1,561)
Ending balance	(6,726)	(5,319)	(5,205)	(2,878)
Unrealized Gains (Losses) on Available-for-Sale Investments
Accumulated other comprehensive income (loss):
Beginning balance	(1,067)	(1,251)	(696)	(207)
Other comprehensive (loss) income	(850)	184	(161)	(489)
Ending balance	(1,917)	(1,067)	(857)	(696)
Foreign Currency Translation
Accumulated other comprehensive income (loss):
Beginning balance	(4,252)	(5,928)	(2,182)	(1,110)
Other comprehensive (loss) income	(557)	1,676	(2,166)	(1,072)
Ending balance	$ (4,809)	$ (4,252)	$ (4,348)	$ (2,182)