Quarterly report pursuant to Section 13 or 15(d)

TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of amortized cost, unrealized gains and losses accumulated in other comprehensive income, and fair value of available-for-sale securities (Details)

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TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of amortized cost, unrealized gains and losses accumulated in other comprehensive income, and fair value of available-for-sale securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost $ 173,745 $ 162,808
Recognized impairment loss in Income Statement (402)  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) 605  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss)   (1,444)
Assets measured at fair value 174,326 161,364
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 154,689 146,112
Recognized impairment loss in Income Statement (402)  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) 2,883  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss)   (275)
Assets measured at fair value 157,548 145,837
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 14,482 13,784
Recognized impairment loss in Income Statement 0  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) (1,577) (787)
Assets measured at fair value 12,905 12,997
U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 4,574 2,912
Recognized impairment loss in Income Statement 0  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) (701) (382)
Assets measured at fair value $ 3,873 $ 2,530