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Other Income, net
 12 Months Ended
Dec. 31, 2021
Other Income and Expenses [Abstract]  
Other Income, net Other Income, net
Other income, net consists of the following:
Year ended December 31,
202120202019
Gain on sale and mark-to-market of mutual funds and money market funds$4,891 $9,615 $13,180 
Interest and dividend income2,726 2,501 2,184 
Others, net(844)(51)1,143 
Other income, net$6,773 $12,065 $16,507