Other Income, net - Summary of Other Income, net (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income and Expenses [Abstract]
Gain on sale and mark-to-market of mutual funds and money market funds	$ 1,471	$ 1,233	$ 3,341	$ 3,991
Interest and dividend income	1,457	761	3,674	2,052
Others, net	(667)	(273)	(2,517)	(697)
Other income, net	$ 2,261	$ 1,721	$ 4,498	$ 5,346

Other Miscellaneous Nonoperating Income (Expense)

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Amount of realized and unrealized gain (loss) on investment.

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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Amount of income (expense) related to nonoperating activities, classified as other.

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