OTHER (EXPENSE) INCOME, NET (Tables)

3 Months Ended

Mar. 31, 2019

Other Income and Expenses [Abstract]

Principal components of other expense, net

The principal components of other income, net, are as follows (in thousands): 

	Three Months Ended March 31,
	2019			2018
Interest and investment income	$	7		$	140
Income tax (expense) benefit	(236		)	65
Other non-operating income	—			4
Total other (expense) income, net	$	(229	)	$	209