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Administrative expenses (Tables) | 12 Months Ended
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Dec. 31, 2022
Administrative expenses |
Schedule of detailed information of Administrative expenses | This caption is made up as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
​ | ​ | US$(000) | ​ | US$(000) | ​ | US$(000)
​ | ​ | ​ | ​ | ​ | ​ | ​
Personnel expenses |  | 32,697 |  | 32,209 |  | 34,500
Professional fees |  | 10,920 |  | 12,393 |  | 10,517
Sundry charges |  | 9,070 |  | 8,968 |  | 7,766
Board of Directors’ compensation |  | 3,873 |  | 1,992 |  | 2,178
Depreciation and amortization |  | 2,460 |  | 3,680 |  | 3,700
Short-term and low-value lease |  | 1,554 |  | 294 |  | 611
Software licenses |  | 1,420 |  | 1,723 |  | 1,731
Subscriptions and quotes |  | 1,366 |  | 1,426 |  | 1,405
Insurance |  | 1,302 |  | 1,748 |  | 1,272
Communications |  | 825 |  | 854 |  | 973
Maintenance and repairs |  | 546 |  | 546 |  | 579
Transport |  | 525 |  | 278 |  | 255
Canons and tributes |  | 447 |  | 369 |  | 318
Donations |  | 251 |  | 607 |  | 708
Consumption of materials and supplies |  | 242 |  | 398 |  | 393
Travel and mobility | ​ | 230 | ​ | 100 | ​ | 153
Allowance for expected credit losses, note 7(i) |  | — |  | — |  | 126
​ |  | 67,728 |  | 67,585 |  | 67,185

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