Allowance for Credit Losses (Table Text Block)	9 Months Ended
	Dec. 31, 2020
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, 2020 $ 2,680 $ 503 $ 501 $ 3,684 Transition adjustment current expected credit losses   196   1,811   10   2,017 Write-offs against allowance   -   -   -   - Recoveries   -   -   -   - Balance as of December 31, 2020 $ 2,876 $ 2,314 $ 511 $ 5,701