Quarterly report pursuant to Section 13 or 15(d)

TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of reconciliation of the beginning and ending balance for investments that use Level 3 inputs (Details)

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TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of reconciliation of the beginning and ending balance for investments that use Level 3 inputs (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Available-for-sale securities, beginning balance $ 161,364  
Available-for-sale securities, ending balance 219,470 $ 161,364
Available-for-sale securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Available-for-sale securities, beginning balance 1 1
Reclassification to Level 1 0 0
Sale of investments that use Level 3 inputs 0  
Purchase of investments that use Level 3 inputs   0
Reclassification to level 3   0
Revaluation of investments that use Level 3 inputs 0 0
Translation difference 0  
Available-for-sale securities, ending balance 1 1
Trading securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Investments beginning 9,142 19,032
Reclassification to Level 1 (1,707) (18,370)
Sale of investments that use Level 3 inputs (3,943)  
Purchase of investments that use Level 3 inputs   10,812
Reclassification to level 3   (682)
Revaluation of investments that use Level 3 inputs (2,268) (3,014)
Translation difference 1  
Investments ending $ 1,225 $ 9,142