Pension Plans (Tables)

3 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Schedule of net benefit costs

The aggregate net pension expense relating to these two plans are as follows (amounts in thousands):

	Three Months Ended
	June 30,
	2017		2016
Service costs	$	353	$	364
Interest costs	240		243
Amortization of actuarial loss	203		—
Settlements	—		231
Net pension period cost	$	796	$	838