Allowance For Credit Losses (Table Text Block)	3 Months Ended
	Jun. 30, 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   (291)   (279)   4   (566) Write-offs against allowance   –   –   –   – Recoveries   –   –   –   – Balance as of June 30, 2021$ 2,544 $ 1,041 $ 505 $ 4,090