v3.26.1
Financial instruments - fair values and risk management - Group's exposure to foreign currency risk (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Exposure to foreign currency risk    
Financial liabilities $ (29,479) $ (26,225)
Lease liabilities    
Exposure to foreign currency risk    
Financial liabilities (1,737) (1,087)
Trade and other payables    
Exposure to foreign currency risk    
Financial liabilities (27,742) (25,138)
Currency risk | Euro    
Exposure to foreign currency risk    
Financial assets 27,718 26,979
Financial liabilities (8,265) (6,013)
Net exposure 19,453 20,966
Currency risk | Russian Ruble    
Exposure to foreign currency risk    
Financial assets 102 101
Net exposure 102 101
Currency risk | Armenian Dram    
Exposure to foreign currency risk    
Financial assets 85 552
Financial liabilities (1,925) (1,291)
Net exposure (1,840) (739)
Currency risk | Kazakhstani Tenge    
Exposure to foreign currency risk    
Financial assets 1,132 1,061
Financial liabilities (174) (74)
Net exposure 958 987
Currency risk | British pound sterling    
Exposure to foreign currency risk    
Financial liabilities   (42)
Net exposure   (42)
Currency risk | Japanese yen    
Exposure to foreign currency risk    
Financial liabilities (95) (34)
Net exposure (95) (34)
Currency risk | Hong Kong dollar    
Exposure to foreign currency risk    
Financial assets 1,777  
Net exposure 1,777  
Currency risk | Lease liabilities | Euro    
Exposure to foreign currency risk    
Financial liabilities (1,460) (831)
Currency risk | Lease liabilities | Armenian Dram    
Exposure to foreign currency risk    
Financial liabilities (276) (256)
Currency risk | Trade and other payables | Euro    
Exposure to foreign currency risk    
Financial liabilities (6,805) (5,182)
Currency risk | Trade and other payables | Armenian Dram    
Exposure to foreign currency risk    
Financial liabilities (1,649) (1,035)
Currency risk | Trade and other payables | Kazakhstani Tenge    
Exposure to foreign currency risk    
Financial liabilities (174) (74)
Currency risk | Trade and other payables | British pound sterling    
Exposure to foreign currency risk    
Financial liabilities   (42)
Currency risk | Trade and other payables | Japanese yen    
Exposure to foreign currency risk    
Financial liabilities (95) (34)
Loans receivable | Currency risk | Euro    
Exposure to foreign currency risk    
Financial assets 174 156
Loans receivable | Currency risk | Armenian Dram    
Exposure to foreign currency risk    
Financial assets   1
Trade and other receivables | Currency risk | Euro    
Exposure to foreign currency risk    
Financial assets 7,354 3,540
Trade and other receivables | Currency risk | Armenian Dram    
Exposure to foreign currency risk    
Financial assets 12  
Trade and other receivables | Currency risk | Kazakhstani Tenge    
Exposure to foreign currency risk    
Financial assets 5 8
Trade and other receivables | Currency risk | Hong Kong dollar    
Exposure to foreign currency risk    
Financial assets 1,777  
Cash | Currency risk | Euro    
Exposure to foreign currency risk    
Financial assets 20,190 23,283
Cash | Currency risk | Russian Ruble    
Exposure to foreign currency risk    
Financial assets 102 101
Cash | Currency risk | Armenian Dram    
Exposure to foreign currency risk    
Financial assets 73 551
Cash | Currency risk | Kazakhstani Tenge    
Exposure to foreign currency risk    
Financial assets $ 1,127 $ 1,053