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)

v3.23.1
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
Sep. 30, 2022
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost $ 167,864 $ 162,808
Recognized impairment loss in Income Statement (402)  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) 713  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss)   (1,444)
Assets measured at fair value 168,175 161,364
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 152,826 146,111
Recognized impairment loss in Income Statement (402)  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) 3,105  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss)   (275)
Assets measured at fair value 155,529 145,836
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 10,002 13,784
Recognized impairment loss in Income Statement 0  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) (1,709) (787)
Assets measured at fair value 8,293 12,997
U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 5,035 2,912
Recognized impairment loss in Income Statement 0  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) (683) (382)
Assets measured at fair value 4,352 2,530
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 1 1
Recognized impairment loss in Income Statement 0  
Unrealized gain/(loss) accumulated in other comprehensive income/(loss) 0 0
Assets measured at fair value $ 1 $ 1