Fair Value Measurements (Table Text Block)

12 Months Ended

Mar. 31, 2024

Mar. 31, 2023

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 March 31, 2024		Total			Level 1			Level 2			Level 3
		(Unaudited)
		(In thousands)
Assets
Fixed maturities - available for sale	$		2,442,504	$		—	$		2,442,446	$		58
Preferred stock			21,260			21,260			—			—
Common stock			45,014			45,014			—			—
Derivatives			18,930			10,538			8,392			—
Total	$		2,527,708	$		76,812	$		2,450,838	$		58

As of March 31, 2023		Total			Level 1			Level 2			Level 3
		(In thousands)
Assets
Fixed maturities - available for sale	$		2,709,037	$		251,832	$		2,457,146	$		59
Preferred stock			21,982			21,982			—			—
Common stock			39,375			39,735			—			—
Derivatives			9,606			4,295			5,311			—
Total	$		2,780,000	$		317,844	$		2,462,457	$		59

Financial Instruments, Carrying and Estimated fair values

		Fair Value Hierarchy
		Carrying												Total
As of March 31, 2024		Value			Level 1			Level 2			Level 3			Fair Value
		(In thousands)
Assets
Trade receivables, net	$		177,602	$		—	$		—	$		177,602	$		177,602
Mortgage loans, net			604,481			—			—			579,767			579,767
Other investments			18,917			—			—			18,917			18,917
Total	$		801,000	$		—	$		—	$		776,286	$		776,286
Liabilities
Notes, loans and finance leases payable	$		6,304,038	$		—	$		5,850,346	$		—	$		5,850,346
Total	$		6,304,038	$		—	$		5,850,346	$		—	$		5,850,346

.		Fair Value Hierarchy
As of March 31, 2023		Carrying Value			Level 1			Level 2			Level 3			Total Estimated Fair Value
		(In thousands)
Assets
Trade receivables, net	$		146,736	$		—	$		—	$		146,736	$		146,736
Mortgage loans, net			466,531			—			—			444,957			444,957
Other investments			109,009			—			—			109,009			109,009
Total	$		722,276	$		—	$		—	$		700,702	$		700,702
Liabilities
Notes, loans and finance leases payable	$		6,143,350			—	$		5,710,735	$		—	$		5,710,735
Total	$		6,143,350	$		—	$		5,710,735	$		—	$		5,710,735