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)

v3.23.3
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, 2023
Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost $ 195,593 $ 243,014
Recognized impairment loss in Income Statement (359) (402)
Unrealized loss accumulated in other comprehensive income/(loss) (2,688) (3,559)
Assets measured at fair value 192,546 239,053
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 132,781 192,167
Recognized impairment loss in Income Statement (50) (402)
Unrealized loss accumulated in other comprehensive income/(loss) 362 (683)
Assets measured at fair value 133,093 191,082
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 49,843 42,456
Recognized impairment loss in Income Statement (309) 0
Unrealized loss accumulated in other comprehensive income/(loss) (2,171) (2,294)
Assets measured at fair value 47,363 40,162
U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 12,969 8,391
Recognized impairment loss in Income Statement 0 0
Unrealized loss accumulated in other comprehensive income/(loss) (879) (582)
Assets measured at fair value $ 12,090 $ 7,809