Annual report pursuant to Section 13 and 15(d)

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

v3.23.2
CASH AND CASH EQUIVALENTS - Schedule of collateralized securities received under reverse repurchase agreements (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Remaining contractual maturity: up to 30 days $ 1,456,776 $ 840,082
Total Contractual Maturity 1,517,416 840,224
Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Remaining contractual maturity: up to 30 days 29,627 19,947
Remaining contractual maturity: 30 - 90 days 185 0
Total Contractual Maturity $ 29,812 $ 19,947
US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 1.52% 0.77%
Remaining contractual maturity: up to 30 days $ 17,637 $ 7,396
Total Contractual Maturity $ 17,637 $ 7,396
US sovereign debt | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 2.06% 16.38%
Remaining contractual maturity: up to 30 days $ 17,102 $ 9,952
Remaining contractual maturity: 30 - 90 days 0
Total Contractual Maturity $ 17,102 $ 9,952
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 12.24% 14.00%
Remaining contractual maturity: up to 30 days $ 15,384 $ 388
Total Contractual Maturity $ 15,384 $ 388
Corporate equity | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 17.17% 16.90%
Remaining contractual maturity: up to 30 days $ 6,963 $ 152
Remaining contractual maturity: 30 - 90 days 0 0
Total Contractual Maturity $ 6,963 $ 152
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 15.98% 10.85%
Remaining contractual maturity: up to 30 days $ 826,196 $ 222,893
Total Contractual Maturity $ 881,461 $ 222,893
Non-US sovereign debt | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 6.12% 12.51%
Remaining contractual maturity: up to 30 days $ 3,483 $ 9,786
Remaining contractual maturity: 30 - 90 days 0 0
Total Contractual Maturity $ 3,483 $ 9,786
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 16.07% 11.96%
Remaining contractual maturity: up to 30 days $ 597,559 $ 609,405
Total Contractual Maturity $ 602,934 $ 609,547
Corporate debt | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average Interest rate 2.52% 11.88%
Remaining contractual maturity: up to 30 days $ 2,079 $ 57
Remaining contractual maturity: 30 - 90 days 185 0
Total Contractual Maturity $ 2,264 $ 57