Quarterly report pursuant to Section 13 or 15(d)

CASH AND CASH EQUIVALENTS (Details 1)

v3.21.2
CASH AND CASH EQUIVALENTS (Details 1) - USD ($)
Sep. 30, 2021
Mar. 31, 2021
Remaining contractual maturity: up to 30 days $ 164,230,000 $ 248,946,000
Remaining contractual maturity: 30 - 90 days 10,000 0
Total contractual maturity 164,240,000 248,946,000
Corporate equity    
Remaining contractual maturity: up to 30 days 141,873,000 51,564,000
Remaining contractual maturity: 30 - 90 days 0 0
Total contractual maturity $ 141,873,000 $ 51,564,000
Average interest rate 0.39% 2.76%
Non-U.S. sovereign debt    
Remaining contractual maturity: up to 30 days $ 11,582,000 $ 101,258,000
Remaining contractual maturity: 30 - 90 days 10,000 0
Total contractual maturity $ 11,592,000 $ 101,258,000
Average interest rate 1.20% 1.07%
Corporate debt [Member]    
Remaining contractual maturity: up to 30 days $ 10,775,000 $ 94,562,000
Remaining contractual maturity: 30 - 90 days 0 0
Total contractual maturity $ 10,775,000 $ 94,562,000
Average interest rate 3.16% 4.42%
U.S. sovereign debt    
Remaining contractual maturity: up to 30 days   $ 1,562,000
Remaining contractual maturity: 30 - 90 days   0
Total contractual maturity   $ 1,562,000
Average interest rate   0.50%