Other Income - Net

3 Months Ended

Mar. 31, 2019

Other Income-Net [Abstract]

Other Income - Net

7.   Other Income – Net

Other income -- net comprises the following (in thousands):

	Three months ended March 31,
	2019		2018
Market value adjustment on assets held in
deferred compensation trust	$	2,338	$	860
Interest income		101		158
Total other income - net	$	2,439	$	1,018