Fair Value Measurements (Table Text Block)

12 Months Ended

Mar. 31, 2019

Mar. 31, 2018

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]

Financial Instruments, Carrying and Estimated fair values

		Fair Value Hierarchy
		Carrying								Total Estimated
Year Ended March 31, 2019		Value		Level 1		Level 2		Level 3		Fair Value
		(In thousands)
Assets
Reinsurance recoverables and trade receivables, net	$	224,785	$	–	$	–	$	224,785	$	224,785
Mortgage loans, net		225,829		–		–		225,829		225,829
Other investments		74,907		–		–		74,907		74,907
Total	$	525,521	$	–	$	–	$	525,521	$	525,521
Liabilities
Notes, loans and leases payable		4,192,243		–		4,192,243		–		4,192,243
Total	$	4,192,243	$	–	$	4,192,243	$	–	$	4,192,243

		Fair Value Hierarchy
		Carrying								Total Estimated
Year Ended March 31, 2018		Value		Level 1		Level 2		Level 3		Fair Value
		(In thousands)
Assets
Reinsurance recoverables and trade receivables, net	$	193,538	$	–	$	–	$	193,538	$	193,538
Mortgage loans, net		309,952		–		–		309,952		309,952
Other investments		89,112		–		–		89,112		89,112
Total	$	592,602	$	–	$	–	$	592,602	$	592,602
Liabilities
Notes, loans and leases payable		3,538,699		–		3,538,699		–		3,538,699
Total	$	3,538,699	$	–	$	3,538,699	$	–	$	3,538,699

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis

Year Ended March 31, 2019		Total		Level 1		Level 2		Level 3
		(In thousands)
Assets
Short-term investments	$	463,847	$	463,599	$	248	$	–
Fixed maturities - available for sale		2,209,761		7,327		2,202,213		221
Preferred stock		8,257		8,257		–		–
Common stock		17,379		17,379		–		–
Derivatives		1,607		1,468		139		–
Total	$	2,700,851	$	498,030	$	2,202,600	$	221
Liabilities
Derivatives		–		–		–		–
Total	$	–	$	–	$	–	$	–

Year Ended March 31, 2018		Total		Level 1		Level 2		Level 3
		(In thousands)
Assets
Short-term investments	$	475,320	$	475,320	$	–	$	–
Fixed maturities - available for sale		1,881,137		7,567		1,873,293		277
Preferred stock		10,861		10,861		–		–
Common stock		27,862		27,862		–		–
Derivatives		4,825		4,388		437		–
Total	$	2,400,005	$	525,998	$	1,873,730	$	277
Liabilities
Derivatives		897		–		897		–
Total	$	897	$	–	$	897	$	–

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

		Fixed Maturities - Asset Backed Securities
		(In thousands)
Balance at March 31, 2017	$	330
Fixed Maturities - Asset Backed Securities - redeemed		(91)
Fixed Maturities - Asset Backed Securities - net gain (unrealized)		38
Balance at March 31, 2018	$	277
Fixed Maturities - Asset Backed Securities - redeemed		(96)
Fixed Maturities - Asset Backed Securities - net gain (unrealized)		40
Balance at March 31, 2019	$	221