Quarterly report pursuant to Section 13 or 15(d)

TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of present securities assets at fair value (Details)

v3.23.1
TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of present securities assets at fair value (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities $ 1,298,402 $ 1,158,377
Fair value of equity securities 219,470 $ 161,364
Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities, Weighted average interest rate   0.00%
Trading securities 1,298,402 $ 1,158,377
Fair value of equity securities 219,470 161,364
Level 1 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 1,295,823 1,148,960
Fair value of equity securities 219,469 160,917
Level 2 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 1,354 275
Fair value of equity securities 0 0
Level 3 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 1,225 9,142
Fair value of equity securities 1 447
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 545,448 712,134
Fair value of equity securities $ 132,372 $ 145,836
Corporate debt | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities, Weighted average interest rate 10.20% 9.19%
Trading securities $ 545,448 $ 712,134
Total available-for-sale securities, Weighted average interest rate 10.60% 11.09%
Fair value of equity securities $ 132,372 $ 145,836
Corporate debt | Level 1 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 545,292 711,539
Fair value of equity securities 132,372 145,836
Corporate debt | Level 2 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 0 0
Fair value of equity securities 0 0
Corporate debt | Level 3 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 156 595
Fair value of equity securities 0 0
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 688,843 360,570
Fair value of equity securities $ 84,748 $ 12,997
Non-US sovereign debt | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities, Weighted average interest rate 13.40% 12.87%
Trading securities $ 688,843 $ 360,570
Total available-for-sale securities, Weighted average interest rate 11.50% 5.51%
Fair value of equity securities $ 84,748 $ 12,997
Non-US sovereign debt | Level 1 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 686,851 352,274
Fair value of equity securities 84,748 12,551
Non-US sovereign debt | Level 2 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 1,174 0
Fair value of equity securities 0 0
Non-US sovereign debt | Level 3 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 818 8,296
Fair value of equity securities 0 446
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 47,540 72,354
Fair value of equity securities $ 1 $ 1
Corporate equity | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities, Weighted average interest rate 0.00% 0.00%
Trading securities $ 47,540 $ 72,354
Total available-for-sale securities, Weighted average interest rate 0.00% 0.00%
Fair value of equity securities $ 1 $ 1
Corporate equity | Level 1 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 47,109 71,828
Fair value of equity securities 0 0
Corporate equity | Level 2 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 180 275
Fair value of equity securities 0 0
Corporate equity | Level 3 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 251 251
Fair value of equity securities 1 1
US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 14,696 10,435
Fair value of equity securities $ 2,349 $ 2,530
US sovereign debt | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities, Weighted average interest rate 3.02% 2.35%
Trading securities $ 14,696 $ 10,435
Total available-for-sale securities, Weighted average interest rate 3.00% 0.00%
Fair value of equity securities $ 2,349 $ 2,530
US sovereign debt | Level 1 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 14,696 10,435
Fair value of equity securities 2,349 2,530
US sovereign debt | Level 2 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 0 0
Fair value of equity securities 0 0
US sovereign debt | Level 3 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 0 0
Fair value of equity securities 0 0
Exchange traded notes    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities $ 1,875 $ 2,884
Exchange traded notes | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities, Weighted average interest rate 0.00% 0.00%
Trading securities $ 1,875 $ 2,884
Exchange traded notes | Level 1 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 1,875 2,884
Exchange traded notes | Level 2 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 0 0
Exchange traded notes | Level 3 | Fair value, recurring    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities $ 0 $ 0