Employee Benefit Plans (Table Text Block)

3 Months Ended

Jun. 30, 2019

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Post Retirement Benefit Cost

		Quarter Ended June 30,
		2019		2018
		(Unaudited)
		(In thousands)
Service cost for benefits earned during the period	$	292	$	277
Other components of net periodic benefit costs:
Interest cost on accumulated postretirement benefit		241		236
Other components		22		17
Total other components of net periodic benefit costs		263		253
Net periodic postretirement benefit cost	$	555	$	530