| 
 As of March 31, 2022 and 2021, trading securities included collateralized securities subject to repurchase agreements as described in the following table: 
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|   | 
March 31, 2022 (recast) | 
 
|   | 
Interest rates and remaining contractual maturity of the agreements | 
 
|   | 
Average interest rate | 
 | 
Up to 30 days | 
 | 
30-90 days | 
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Over 90 days | 
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Total | 
 
|   | 
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| Securities sold under repurchase agreements  | 
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| Corporate debt | 
14.22  | 
% | 
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$ | 
534,546  | 
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$ | 
142  | 
 | 
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$ | 
—  | 
 | 
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$ | 
534,688  | 
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| Non-US sovereign debt | 
13.47  | 
% | 
 | 
201,666  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
201,666  | 
 | 
 
| US sovereign debt  | 
0.77  | 
% | 
 | 
5,968  | 
 | 
 | 
—  | 
 | 
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—  | 
 | 
 | 
5,968  | 
 | 
 
| Corporate equity | 
14.00  | 
% | 
 | 
388  | 
 | 
 | 
—  | 
 | 
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—  | 
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 | 
388  | 
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| Total securities sold under repurchase agreements | 
  | 
 | 
$ | 
742,568  | 
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$ | 
142  | 
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$ | 
—  | 
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$ | 
742,710  | 
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March 31, 2021 (recast) | 
 
 | 
Interest rates and remaining contractual maturity of the agreements | 
 
 | 
Average interest rate | 
 | 
Up to 30 days | 
 | 
30-90 days | 
 | 
Over 90 days | 
 | 
Total | 
 
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| Securities sold under repurchase agreements  | 
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| Non-US sovereign debt | 
9.29  | 
% | 
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$ | 
229,122  | 
 | 
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$ | 
—  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
229,122  | 
 | 
 
| Corporate debt | 
9.23  | 
% | 
 | 
138,029  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
138,029  | 
 | 
 
| Corporate equity | 
3.78  | 
% | 
 | 
5,757  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
5,757  | 
 | 
 
| US sovereign debt | 
0.40  | 
% | 
 | 
1,810  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
1,810  | 
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| Total securities sold under repurchase agreements | 
 | 
 | 
$ | 
374,718  | 
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$ | 
—  | 
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$ | 
—  | 
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$ | 
374,718  | 
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