OTHER INCOME, NET

3 Months Ended

Mar. 31, 2018

Other Income and Expenses [Abstract]

OTHER EXPENSE, NET

OTHER INCOME, NET

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

	Three Months Ended March 31,
	2018		2017
Interest and investment income	$	140	$	147
Income tax benefit	65		163
Other non-operating income	4		—
Total other income, net	$	209	$	310