Annual report pursuant to Section 13 and 15(d)

SECURITIES REPURCHASE AGREEMENT OBLIGATIONS - Schedule of trading securities including collateralized securities subject to repurchase agreements (Details)

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SECURITIES REPURCHASE AGREEMENT OBLIGATIONS - Schedule of trading securities including collateralized securities subject to repurchase agreements (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Remaining contractual maturity: up to 30 days $ 742,568 $ 374,718
Remaining contractual maturity: 30 - 90 days 142 0
Remaining contractual maturity: Over 90 days 0 0
Total $ 742,710 $ 374,718
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate (in percent) 13.47% 9.29%
Remaining contractual maturity: up to 30 days $ 201,666 $ 229,122
Remaining contractual maturity: 30 - 90 days 0 0
Remaining contractual maturity: Over 90 days 0 0
Total $ 201,666 $ 229,122
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate (in percent) 14.22% 9.23%
Remaining contractual maturity: up to 30 days $ 534,546 $ 138,029
Remaining contractual maturity: 30 - 90 days 142 0
Remaining contractual maturity: Over 90 days 0 0
Total $ 534,688 $ 138,029
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate (in percent) 14.00% 3.78%
Remaining contractual maturity: up to 30 days $ 388 $ 5,757
Remaining contractual maturity: 30 - 90 days 0 0
Remaining contractual maturity: Over 90 days 0 0
Total $ 388 $ 5,757
US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate (in percent) 0.77% 0.40%
Remaining contractual maturity: up to 30 days $ 5,968 $ 1,810
Remaining contractual maturity: 30 - 90 days 0 0
Remaining contractual maturity: Over 90 days 0 0
Total $ 5,968 $ 1,810