Adjusted Cost and Estimated Market Value Available-for-Sale Investment (Table Text Block)

3 Months Ended

Jun. 30, 2014

Other than temporary impairment credit losses recognized in earnings [Abstract]

Adjusted Cost and Estimated Market Value of Available-for-sale Investments

		June 30, 2014				March 31, 2014
		Amortized Cost		Estimated Market Value		Amortized Cost		Estimated Market Value
		(Unaudited)
		(In thousands)
Due in one year or less	$	24,809	$	25,355	$	20,235	$	20,475
Due after one year through five years		205,496		216,743		185,447		194,563
Due after five years through ten years		484,926		499,837		350,048		350,953
Due after ten years		413,394		416,298		531,645		521,289
		1,128,625		1,158,233		1,087,375		1,087,280
Mortgage backed securities		15,335		15,357		12,425		12,187
Redeemable preferred stocks		17,447		17,204		18,445		17,533
Common stocks		18,570		22,518		17,299		21,275
	$	1,179,977	$	1,213,312	$	1,135,544	$	1,138,275