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
Jun. 30, 2023
Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost $ 224,695 $ 243,014
Recognized impairment loss in Income Statement (309) (402)
Unrealized loss accumulated in other comprehensive income/(loss) (2,941) (3,559)
Assets measured at fair value 221,445 239,053
Non-U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 166,265 192,167
Recognized impairment loss in Income Statement (61) (402)
Unrealized loss accumulated in other comprehensive income/(loss) (542) (683)
Assets measured at fair value 165,662 191,082
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 49,979 42,456
Recognized impairment loss in Income Statement (248) 0
Unrealized loss accumulated in other comprehensive income/(loss) (1,706) (2,294)
Assets measured at fair value 48,025 40,162
U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Assets measured at amortized cost 8,451 8,391
Recognized impairment loss in Income Statement 0 0
Unrealized loss accumulated in other comprehensive income/(loss) (693) (582)
Assets measured at fair value $ 7,758 $ 7,809