INTEREST AND OTHER, NET

6 Months Ended

Jun. 30, 2019

Other Income and Expenses [Abstract]

INTEREST AND OTHER, NET

INTEREST AND OTHER, NET:

Interest and other, net is summarized in the following table:

	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
	(in thousands)
Interest expense	$	(77	)	$	(871	)	$	(91	)	$	(2,042	)
Interest income and gains on short-term investments, net	3,792			972			6,795			1,939
Foreign exchange loss, net	(1,800		)	(399		)	(4,052		)	(579		)
Gain on investments in privately-held companies	441			—			9,569			—
Impairment of investment in a privately-held company	—			—			(1,755		)	—
Other	(88		)	(40		)	33			(189		)
Interest and other, net	$	2,268		$	(338	)	$	10,499		$	(871	)