Allowance for Credit Losses (Table Text Block)	9 Months Ended
	Dec. 31, 2021
Allowance For Credit Loss [Abstract]
Accounts Receivable Allowance For Credit Loss [Table Text Block]	Allowance for Credit Losses     Trade Receivables   Investments, Fixed Maturities   Investments, other   Total     (Unaudited)     (In thousands) Balance as of March 31, 2021 $ 2,835 $ 1,320 $ 501 $ 4,656 Allowance change   1,510   (1,320)   14   204 Write-offs against allowance   –   –   –   – Recoveries   –   –   –   – Balance as of December 31, 2021$ 4,345 $ – $ 515 $ 4,860