Quarterly report pursuant to Section 13 or 15(d)

TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Narrative (Details)

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TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Narrative (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2022
USD ($)
issuer
Mar. 31, 2022
USD ($)
issuer
Defined Benefit Plan Disclosure [Line Items]      
Number of issuers | issuer   2 2
Other-than-temporary impairment in accumulated other comprehensive loss   $ 0 $ 0
Kazakhstan Sustainability Fund JSC      
Defined Benefit Plan Disclosure [Line Items]      
Percentage of trading securities 10.00% 10.00%  
Debt securities   $ 727,340,000 506,472,000
Ministry of Finance of the Republic of Kazakhstan      
Defined Benefit Plan Disclosure [Line Items]      
Percentage of trading securities 10.00% 10.00%  
Debt securities   $ 723,750,000 $ 357,343,000