Employee Benefit Plans (Table Text Block)

12 Months Ended

Mar. 31, 2019

Table Text Block [Abstract]

Summary Of Financing Arrangements for Leveraged ESOP Debt

		Outstanding as of		Interest Payments
Financing Date		March 31, 2019		2019		2018		2017
		(In thousands)
June, 1991	$	–	$	1	$	1	$	2
July, 2009		233		17		26		36
February, 2016		4,966		190		242		–

Shares Held by the ESOP Plan

		Years Ended March 31,
		2019		2018
		(In thousands)
Allocated shares		1,069		1,112
Unreleased shares - leveraged		16		19
Fair value of unreleased shares - leveraged	$	6,019	$	6,448
Unreleased shares - non-leveraged		–		13
Fair value of unreleased shares - non-leveraged	$	–	$	4,557

Components of Net Periodic Post Retirement Benefit Cost

		Years Ended March 31,
		2019		2018		2017
		(In thousands)
Service cost for benefits earned during the period	$	1,108	$	1,073	$	1,026
Other components of net periodic benefit costs:
Interest cost on accumulated postretirement benefit		943		869		814
Other components		70		58		88
Total other components of net periodic benefit costs		1,013		927		902
Net periodic postretirement benefit cost	$	2,121	$	2,000	$	1,928

Components of Post Retirement Benefit Liabilities

		Years Ended March 31,
		2019		2018
		(In thousands)
Beginning of year	$	23,316	$	22,247
Service cost for benefits earned during the period		1,108		1,073
Interest cost on accumulated post retirement benefit		943		869
Net benefit payments and expense		(979)		(644)
Actuarial (gain) loss		1,429		(229)
Accumulated postretirement benefit obligation		25,817		23,316
Current liabilities		1,037		802
Non-current liabilities		24,780		22,514
Total post retirement benefit liability recognized in statement of financial position		25,817		23,316
Components included in accumulated other comprehensive income (loss):
Unrecognized net loss		(3,890)		(2,530)
Cumulative net periodic benefit cost (in excess of employer contribution)	$	21,927	$	20,786

Discount Rate Assumptions for Accumulated Postretirement Benefit Obligations

	Years Ended March 31,
	2019	2018	2017
	(In percentages)
Accumulated postretirement benefit obligation	3.83%	3.98%	3.94%

Future Net Benefit Payments Expected for Post Employee Benefit Obligations

		Future Net Benefit Payments
		(In thousands)
Year-ended:
2020	$	1,037
2021		1,227
2022		1,445
2023		1,665
2024		1,906
2025 through 2028		11,863
Total	$	19,143