Derivatives (Table Text Block)

3 Months Ended

Jun. 30, 2024

Interest Rate Swap [Member]

Derivative [Line Items]

Schedule of derivative instruments in statement of financial position, fair value

	Derivatives Fair Values as of
	June 30, 2024		March 31, 2024
	(Unaudited)
	(In thousands)
Interest rate swaps designated as cash flow hedges:
Assets	$	8,386	$	8,392
Notional amount	$	295,747	$	297,867

Equity Swap [Member]

Derivative [Line Items]

Schedule of derivative instruments in statement of financial position, fair value

	Derivatives Fair Values as of
	June 30, 2024		March 31, 2024
	(Unaudited)
	(In thousands)
Equity market contracts as economic hedging instruments:
Assets	$	8,804	$	10,538
Notional amount	$	466,445	$	526,449