Quarterly report pursuant to Section 13 or 15(d)

CASH AND CASH EQUIVALENTS - Schedule of collateralized securities received under reverse repurchase agreements (Details)

v3.22.4
CASH AND CASH EQUIVALENTS - Schedule of collateralized securities received under reverse repurchase agreements (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Up to 30 days $ 1,177,256 $ 840,082
30-90 days 56,672 142
Total contractual maturity 1,233,928 840,224
Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Up to 30 days 129,955 19,947
30-90 days 0 0
Total contractual maturity 129,955 19,947
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Up to 30 days 586,939 609,405
30-90 days 4,774 142
Total contractual maturity $ 591,713 $ 609,547
Corporate debt | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 16.09% 11.88%
Up to 30 days $ 70,363 $ 57
30-90 days 0 0
Total contractual maturity $ 70,363 $ 57
Non-US sovereign debt | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.15% 12.51%
Up to 30 days $ 40,678 $ 9,786
30-90 days 0 0
Total contractual maturity 40,678 9,786
US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Up to 30 days 17,586 7,396
30-90 days 0 0
Total contractual maturity $ 17,586 $ 7,396
US sovereign debt | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 2.74% 16.38%
Up to 30 days $ 18,596 $ 9,952
30-90 days 0 0
Total contractual maturity $ 18,596 9,952
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Up to 30 days   388
30-90 days   0
Total contractual maturity   $ 388
Corporate equity | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 18.57% 16.90%
Up to 30 days $ 318 $ 152
30-90 days 0 0
Total contractual maturity $ 318 $ 152