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Other Operating Expenses - Schedule of Other Operating Expenses Included in Profit or Loss and Other Comprehensive Income (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Other operating expenses |  |  |
Marketing and brand promotional expenses | $ 4,410 | $ 2,554 | $ 77
Premises costs and office utilities |  |  |
Premises costs | 4,970 | 1,672 | 1,830
Office utilities | 417 | 1,167 | 1,006
Premises costs and office utilities | 5,387 | 2,839 | 2,836
Traveling and business development expenses | 223 | 991 | 482
Commissions and bank charges | 232 | 167 | 168
Office and maintenance expenses | 274 | 3 | 7
Administrative service fee | 4,597 | 3,806 | 3,130
Legal and professional related fees | 5,631 | 9,414 | 3,172
Staff recruitment expenses | 1,272 | 540 | 299
Others |  |  |
Depreciation | 1,766 | 12 | 6
Amortization | 857 | 726 | 0
Foreign exchange differences, net | 225 | 252 | 124
Other expenses | 4,477 | 1,497 | 478
Other operating expenses | 7,325 | 2,487 | 608
Other cost and expense, operating | $ 29,351 | $ 22,801 | $ 10,779

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