Quarterly report pursuant to Section 13 or 15(d)

TRADING AND AVAILABLE-FOR-SALE SECURITIES AT FAIR VALUE (Details)

v3.20.2
TRADING AND AVAILABLE-FOR-SALE SECURITIES AT FAIR VALUE (Details) - USD ($)
Sep. 30, 2020
Mar. 31, 2020
Trading securities $ 311,832,000 $ 156,544,000
Total Available-for-sale securities, at fair value 1,000 6,438,000
Debt securities    
Trading securities 248,409,000 87,014,000
Total Available-for-sale securities, at fair value 0 405,000
Equity securities    
Trading securities 63,422,000 69,530,000
Total Available-for-sale securities, at fair value 1,000 1,000
Certificate of Deposit    
Total Available-for-sale securities, at fair value 0 5,076,000
Mutual investment funds    
Trading securities 1,000 0
Total Available-for-sale securities, at fair value 0 672,000
Preferred Shares    
Total Available-for-sale securities, at fair value $ 0 $ 284,000