Other Income, net (Tables)

6 Months Ended

Jun. 30, 2019

Other Income and Expenses [Abstract]

Summary of Other Income, net

Other income, net consists of the following:

	Three months ended June 30,				Six months ended June 30,
	2019		2018		2019		2018
Gain on sale and mark-to-market of mutual funds	$	3,318	$	1,694	$	6,844	$	4,827
Interest and dividend income	697		329		1,493		637
Others, net	87		209		188		302
Other income, net	$	4,102	$	2,232	$	8,525	$	5,766