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Financial risk management objectives and policies - Currency risk (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 USD ($)
Currency Risk Relative to EUR | United States Dollar (USD) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ 97,772
Effect on pre-tax equity due to decrease in designated risk component | (97,772)
Effect on profit before tax equity due to increase in designated risk component | 4,798
Effect on profit before tax equity due to decrease in designated risk component | $ (4,798)
Currency Risk Relative to EUR | United Arab Emirates |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ (1,721)
Effect on pre-tax equity due to decrease in designated risk component | 1,721
Effect on profit before tax equity due to increase in designated risk component | 1
Effect on profit before tax equity due to decrease in designated risk component | $ (1)
Currency Risk Relative to EUR | Kenyan Shilling (KES) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ (181)
Effect on pre-tax equity due to decrease in designated risk component | 181
Effect on profit before tax equity due to increase in designated risk component | 121
Effect on profit before tax equity due to decrease in designated risk component | $ (121)
Currency Risk Relative to EUR | Moroccan Dirham (MAD) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (6,190)
Effect on pre-tax equity due to decrease in designated risk component | 6,190
Effect on profit before tax equity due to increase in designated risk component | (74)
Effect on profit before tax equity due to decrease in designated risk component | $ 74
Currency Risk Relative to EUR | Naira (NGN) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (10,170)
Effect on pre-tax equity due to decrease in designated risk component | 10,170
Effect on profit before tax equity due to increase in designated risk component | (33)
Effect on profit before tax equity due to decrease in designated risk component | $ 33
Currency Risk Relative to EUR | Algerian Dinar (DZD) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (892)
Effect on pre-tax equity due to decrease in designated risk component | 892
Effect on profit before tax equity due to increase in designated risk component | 0
Effect on profit before tax equity due to decrease in designated risk component | $ 0
Currency Risk Relative to EUR | Cedi (Ghana) (GHS) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ (2,131)
Effect on pre-tax equity due to decrease in designated risk component | 2,131
Effect on profit before tax equity due to increase in designated risk component | (21)
Effect on profit before tax equity due to decrease in designated risk component | $ 21
Currency Risk Relative to EUR | Uganda Shilling (UGX) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ (3,266)
Effect on pre-tax equity due to decrease in designated risk component | 3,266
Effect on profit before tax equity due to increase in designated risk component | (7)
Effect on profit before tax equity due to decrease in designated risk component | $ 7
Currency Risk Relative to EUR | Egyptian Pound (EGP) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (918)
Effect on pre-tax equity due to decrease in designated risk component | 918
Effect on profit before tax equity due to increase in designated risk component | (1,224)
Effect on profit before tax equity due to decrease in designated risk component | $ 1,224
Currency Risk Relative to USD | Kenyan Shilling (KES) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ 0
Effect on pre-tax equity due to decrease in designated risk component | 0
Effect on profit before tax equity due to increase in designated risk component | 190
Effect on profit before tax equity due to decrease in designated risk component | $ (190)
Currency Risk Relative to USD | Moroccan Dirham (MAD) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ (4,939)
Effect on pre-tax equity due to decrease in designated risk component | 4,939
Effect on profit before tax equity due to increase in designated risk component | (189)
Effect on profit before tax equity due to decrease in designated risk component | $ 189
Currency Risk Relative to USD | Naira (NGN) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (5,055)
Effect on pre-tax equity due to decrease in designated risk component | 5,055
Effect on profit before tax equity due to increase in designated risk component | (233)
Effect on profit before tax equity due to decrease in designated risk component | $ 233
Currency Risk Relative to USD | Algerian Dinar (DZD) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (441)
Effect on pre-tax equity due to decrease in designated risk component | 441
Effect on profit before tax equity due to increase in designated risk component | 0
Effect on profit before tax equity due to decrease in designated risk component | $ 0
Currency Risk Relative to USD | Cedi (Ghana) (GHS) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ (1,140)
Effect on pre-tax equity due to decrease in designated risk component | 1,140
Effect on profit before tax equity due to increase in designated risk component | (144)
Effect on profit before tax equity due to decrease in designated risk component | $ 144
Currency Risk Relative to USD | Uganda Shilling (UGX) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (1,255)
Effect on pre-tax equity due to decrease in designated risk component | 1,255
Effect on profit before tax equity due to increase in designated risk component | (30)
Effect on profit before tax equity due to decrease in designated risk component | $ 30
Currency Risk Relative to USD | Egyptian Pound (EGP) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 5.00%
Decrease in foreign exchange rate | 5.00%
Effect on pre-tax equity due to increase in designated risk component | $ (663)
Effect on pre-tax equity due to decrease in designated risk component | 663
Effect on profit before tax equity due to increase in designated risk component | (342)
Effect on profit before tax equity due to decrease in designated risk component | $ 342
Currency Risk Relative to USD | CFA Franc BCEAO (XOF) |
Disclosure of risk management strategy related to hedge accounting [line items] |
Increase in foreign exchange rate | 10.00%
Decrease in foreign exchange rate | 10.00%
Effect on pre-tax equity due to increase in designated risk component | $ (4,579)
Effect on pre-tax equity due to decrease in designated risk component | 4,579
Effect on profit before tax equity due to increase in designated risk component | (260)
Effect on profit before tax equity due to decrease in designated risk component | $ 260

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