Fair Value Measurements (Table Text Block)

6 Months Ended

12 Months Ended

Sep. 30, 2016

Mar. 31, 2016

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

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

As of September 30, 2016		Total		Level 1		Level 2		Level 3
		(Unaudited)
		(In thousands)
Assets
Short-term investments	$	850,260	$	850,058	$	202	$	–
Fixed maturities - available for sale		1,588,995		98,825		1,489,836		334
Preferred stock		16,000		16,000		–		–
Common stock		27,425		27,425		–		–
Derivatives		3,534		3,534		–		–
Total	$	2,486,214	$	995,842	$	1,490,038	$	334
Liabilities
Guaranteed residual values of TRAC leases	$	–	$	–	$	–	$	–
Derivatives		9,654		–		9,654		–
Total	$	9,654	$	–	$	9,654	$	–

As of March 31, 2016		Total		Level 1		Level 2		Level 3
		(In thousands)
Assets
Short-term investments	$	499,491	$	499,288	$	203	$	–
Fixed maturities - available for sale		1,466,941		96,328		1,370,275		338
Preferred stock		18,428		18,428		–		–
Common stock		25,169		25,169		–		–
Derivatives		3,344		3,344		–		–
Total	$	2,013,373	$	642,557	$	1,370,478	$	338
Liabilities
Guaranteed residual values of TRAC leases	$	–	$	–	$	–	$	–
Derivatives		14,845		–		14,845		–
Total	$	14,845	$	–	$	14,845	$	–

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

		Fixed Maturities - Asset Backed Securities
		(Unaudited)
		(In thousands)
Balance at March 31, 2016	$	338
Fixed Maturities - Asset Backed Securities - redeemed		(8)
Fixed Maturities - Asset Backed Securities - net gain (realized)		–
Fixed Maturities - Asset Backed Securities - net loss (unrealized)		4
Balance at September 30, 2016	$	334