Accumulated Other Comprehensive Income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accumulated other comprehensive income (loss):
Beginning balance	$ 1,268,491	$ 1,047,849
Other comprehensive income (loss)	1,860	(1,561)
Ending balance	1,402,995	1,124,789
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss):
Beginning balance	(7,179)	(1,317)
Other comprehensive income (loss)	1,860	(1,561)
Ending balance	(5,319)	(2,878)
Unrealized Gains (Losses) on Available-for-Sale Investments
Accumulated other comprehensive income (loss):
Beginning balance	(1,251)	(207)
Other comprehensive income (loss)	184	(489)
Ending balance	(1,067)	(696)
Foreign Currency Translation
Accumulated other comprehensive income (loss):
Beginning balance	(5,928)	(1,110)
Other comprehensive income (loss)	1,676	(1,072)
Ending balance	$ (4,252)	$ (2,182)