Pension Plans (Tables)

3 Months Ended

Mar. 31, 2018

Pension Plans

Schedule of components of net periodic pension benefit for defined benefit pension plans

	Three Months Ended March 31,
	2018			2017
Interest cost	$	115,000		$	109,000
Expected return on plan assets	(170,000		)	(163,000		)
Recognized net actuarial loss	36,000			42,000
	$	(19,000	)	$	(12,000	)