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Business segment information - Schedule of geographic information analyses the bank's revenue and non-current assets by the bank's country (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | $ 266,119 | $ 166,672 | $ 104,206
Non-current assets | 19,399 | 19,386 | 19,374
Argentina |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 4,748 | 4,721 | 5,454
Non-current assets | 80 | 117 | 157
Brazil |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 25,630 | 15,100 | 9,802
Non-current assets | 292 | 125 | 138
Chile |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 11,273 | 8,072 | 3,180
Non-current assets | 0 | 0 | 0
Colombia |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 32,584 | 16,192 | 12,116
Non-current assets | 181 | 35 | 51
Costa Rica |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 10,358 | 9,161 | 7,674
Non-current assets | 0 | 0 | 0
Dominican Republic |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 20,164 | 9,325 | 3,424
Non-current assets | 0 | 0 | 0
Ecuador |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 15,107 | 12,576 | 8,990
Non-current assets | 0 | 0 | 0
El Salvador |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 2,209 | 2,297 | 1,207
Non-current assets | 0 | 0 | 0
Guatemala |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 24,061 | 16,961 | 10,862
Non-current assets | 0 | 0 | 0
Honduras |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 6,312 | 6,081 | 841
Non-current assets | 0 | 0 | 0
Jamaica |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 3,337 | 2,525 | 1,646
Non-current assets | 0 | 0 | 0
Mexico |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 35,442 | 24,767 | 17,318
Non-current assets | 400 | 14 | 75
Panama |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 6,753 | 6,015 | 5,872
Non-current assets | 18,119 | 18,994 | 18,795
Paraguay |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 2,734 | 2,488 | 1,529
Non-current assets | 0 | 0 | 0
Peru |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 20,501 | 8,733 | 3,299
Non-current assets | 0 | 0 | 0
Trinidad and Tobago |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 6,832 | 6,330 | 7,215
Non-current assets | 0 | 0 | 0
Uruguay |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 1,208 | 1,533 | 540
Non-current assets | 0 | 0 | 0
Other |  |  |
Disclosure of Reporting Segment [Line Items] |  |  |
Revenue | 36,866 | 13,795 | 3,237
Non-current assets | $ 327 | $ 101 | $ 158

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