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Loan commitments and financial guarantees contracts - Schedule of Bank's Outstanding Loan Commitments and Financial Guarantee Contracts (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of loans commitments and financial guarantees contracts [Line Items] |  |
Loan commitments and financial guarantee contracts | $ 1,063,706 | $ 779,374
Documentary letters of credit |  |
Disclosure of loans commitments and financial guarantees contracts [Line Items] |  |
Loan commitments and financial guarantee contracts | 345,608 | 304,789
Stand-by letters of credit and guarantees - commercial risk |  |
Disclosure of loans commitments and financial guarantees contracts [Line Items] |  |
Loan commitments and financial guarantee contracts | 490,626 | 351,625
Credit commitments |  |
Disclosure of loans commitments and financial guarantees contracts [Line Items] |  |
Loan commitments and financial guarantee contracts | $ 227,472 | $ 122,960

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