Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 998,858	$ 953,927	$ 637,788
Other comprehensive loss before reclassifications:
Income tax effect — expense	1	1
Net of tax	4,973	(5,494)
Amounts reclassified from accumulated other comprehensive loss to consolidated net income:
Realized (loss) gain — marketable investments	0	0
Income tax effect — (expense) benefit	0	0
Net of tax	0	0
Total other comprehensive income (loss), net of tax	4,973	(5,494)	(5,171)
Ending balance	1,178,944	998,858	953,927
Accumulated Other Comprehensive (Loss) Income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(8,124)	(2,630)	2,541
Amounts reclassified from accumulated other comprehensive loss to consolidated net income:
Total other comprehensive income (loss), net of tax	4,973	(5,494)	(5,171)
Ending balance	(3,151)	(8,124)	(2,630)
Marketable Investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,500)	(595)
Other comprehensive loss before reclassifications:
Other comprehensive loss before reclassifications:	2,942	(2,905)
Income tax effect — expense	0	0
Net of tax	2,942	(2,905)
Amounts reclassified from accumulated other comprehensive loss to consolidated net income:
Realized (loss) gain — marketable investments	0	0
Income tax effect — (expense) benefit	0	0
Net of tax	0	0
Total other comprehensive income (loss), net of tax	2,942	(2,905)
Ending balance	(558)	(3,500)	(595)
Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4,624)	(2,035)
Other comprehensive loss before reclassifications:
Other comprehensive loss before reclassifications:	2,030	(2,590)
Income tax effect — expense	1	1
Net of tax	2,031	(2,589)
Amounts reclassified from accumulated other comprehensive loss to consolidated net income:
Realized (loss) gain — marketable investments	0	0
Income tax effect — (expense) benefit	0	0
Net of tax	0	0
Total other comprehensive income (loss), net of tax	2,031	(2,589)
Ending balance	$ (2,593)	$ (4,624)	$ (2,035)