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Risk Management Policy - Additional Information (Details) - KZT (₸)
₸ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2026
Dec. 31, 2025
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about financial instruments [line items]            
Maximum exposure to credit risk after offset and collateral of loans to customers ₸ 5,086,464,000 ₸ 3,823,734,000        
Net carrying amount of loans to customers at time of modification ₸ 117,763,000 ₸ 78,766,000        
Allowance for impairment losses changed from lifetime expected credit loss period 12 months 12 months        
Percentage point of change in key assumptions used to calculate expected credit loss 100.00%          
Customer accounts of individuals obligation nominal maturity period 2 years          
Percentage of deposits absent a liquidity event   94.00%        
Balances on current accounts from customers ₸ 1,189          
Guarantee deposits ₸ 37,782,000 ₸ 27,357,000        
Interest rate risk            
Disclosure of detailed information about financial instruments [line items]            
Change in interest rate percentage (3.00%)          
Interest rate risk | Plus 3 p p change in interest rate            
Disclosure of detailed information about financial instruments [line items]            
Impact on profit before income tax due to change in interest rate ₸ 0 0        
Impact on equity due to change in interest rate (74,854,000) (60,568,000)        
Interest rate risk | Minus 3 p.p. change in interest rate            
Disclosure of detailed information about financial instruments [line items]            
Impact on equity due to change in interest rate ₸ 85,862,000 68,949,000        
Currency risk            
Disclosure of detailed information about financial instruments [line items]            
Sensitivity rate 25.00%          
Change in foreign currency rates         25.00% 25.00%
Change in USD rate percentage (25.00%)          
Currency risk | Minus 25% change in USD rate            
Disclosure of detailed information about financial instruments [line items]            
Impact on profit before income tax due to change in USD rate ₸ (7,383,000) (3,958,000)        
Impact on equity due to change in USD rate (672,000) (355,000)        
Credit Impaired Loans            
Disclosure of detailed information about financial instruments [line items]            
Loans to customers 29,418,000 26,932,000        
Stage 1 - 12-month ECL            
Disclosure of detailed information about financial instruments [line items]            
Gross carrying amount of loans to customers at time of modification ₸ 38,744,000 24,932,000        
Baseline Scenario            
Disclosure of detailed information about financial instruments [line items]            
Increase decrease in percentage of exchange rate (100.00%)          
Increase decrease in percentage of short term interest rate (100.00%)          
Baseline Scenario | Events After Reporting Period            
Disclosure of detailed information about financial instruments [line items]            
Increase decrease in percentage of exchange rate     1.46% 2.30%    
Increase decrease in percentage of base rate     (10.60%) (12.70%)    
Upside Scenario            
Disclosure of detailed information about financial instruments [line items]            
Increase decrease in allowance for impairment losses of nominal exchange rate ₸ (3,143,000)          
Increase decrease in allowance for impairment losses of short-term rate (2,162,000)          
Upside Scenario | Events After Reporting Period            
Disclosure of detailed information about financial instruments [line items]            
Increase decrease in percentage of exchange rate     (1.15%) (0.32%)    
Increase decrease in percentage of base rate     (9.80%) (11.80%)    
Downside Scenario            
Disclosure of detailed information about financial instruments [line items]            
Increase decrease in allowance for impairment losses of nominal exchange rate 295,000          
Increase decrease in allowance for impairment losses of short-term rate 2,005,000          
Downside Scenario | Events After Reporting Period            
Disclosure of detailed information about financial instruments [line items]            
Increase decrease in percentage of exchange rate     4.10% 4.90%    
Increase decrease in percentage of base rate     11.50% 13.60%    
Gross Carrying            
Disclosure of detailed information about financial instruments [line items]            
Loans to customers ₸ 5,359,101,000 ₸ 4,046,581,000