Annual report [Section 13 and 15(d), not S-K Item 405]

CUSTOMER LIABILITIES - Narrative (Details)

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CUSTOMER LIABILITIES - Narrative (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Mar. 31, 2025
Revenue, Major Customer [Line Items]    
Customer liabilities $ 7,103,984 $ 4,304,999
Nonrelated Party | Revenue Benchmark | Customer Concentration Risk    
Revenue, Major Customer [Line Items]    
Customer liabilities 2,368,911 731,363
JSC Kazakhstan Deposit Insurance Fund    
Revenue, Major Customer [Line Items]    
Insured bank deposits, price per client 42  
Insured bank deposits $ 819,475 $ 669,753