Other Income, net (Tables)

6 Months Ended

Jun. 30, 2018

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,
	2018		2017			2018		2017
Interest and dividend income	$	329	$	323		$	637	$	995
Gain on sale of mutual funds	1,694		2,438			4,827		4,221
Others, net	209		(249		)	302		482
Other income, net	$	2,232	$	2,512		$	5,766	$	5,698