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Financial risk review - Schedule of Credit Risk Exposure (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Securities at amortized cost      
Credit risk      
Financial assets $ 1,090,577 $ 999,544  
Securities at FVOCI      
Credit risk      
Financial assets 98,748 11,824  
Carrying amount - principal | Securities at amortized cost      
Credit risk      
Financial assets 1,090,577 999,544  
Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 98,748 11,824  
Loss allowance | Securities at amortized cost      
Credit risk      
Financial assets 1,311 1,632 $ 7,951
Loss allowance | Securities at FVOCI      
Credit risk      
Financial assets     10
Current | Loss allowance | Securities at amortized cost      
Credit risk      
Financial assets 1,133 1,230 2,170
Current | Loss allowance | Securities at FVOCI      
Credit risk      
Financial assets 23 1 10
Total | Expected credit losses individually assessed | Loss allowance | Securities at amortized cost      
Credit risk      
Financial assets 178 402 1,779
Total | Expected credit losses individually assessed | Loss allowance | Securities at FVOCI      
Credit risk      
Financial assets 0 0 0
Principal balance - Loans at amortized cost      
Credit risk      
Financial assets 8,375,172 7,195,567  
Principal balance - Loans at amortized cost | Carrying amount - principal      
Credit risk      
Financial assets 8,375,172 7,195,567  
Principal balance - Loans at amortized cost | Loss allowance      
Credit risk      
Financial assets 78,158 59,410 55,200
Principal balance - Loans at amortized cost | Current | Loss allowance      
Credit risk      
Financial assets 45,635 34,778 28,589
Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Loss allowance      
Credit risk      
Financial assets 20,040 17,734 5,050
Loans commitments and financial guarantee contracts      
Credit risk      
Financial assets 1,659,445 1,325,134  
Loans commitments and financial guarantee contracts | Carrying amount - principal      
Credit risk      
Financial assets 245,065 261,428  
Loans commitments and financial guarantee contracts | Loss allowance      
Credit risk      
Financial assets 5,375 5,059 3,628
Loans commitments and financial guarantee contracts | Current | Loss allowance      
Credit risk      
Financial assets 4,815 3,905 3,605
Loans commitments and financial guarantee contracts | Total | Expected credit losses individually assessed | Loss allowance      
Credit risk      
Financial assets 560 1,154 $ 23
Credit risk | Securities at amortized cost      
Credit risk      
Financial assets 1,089,266 997,912  
Credit risk | Securities at FVOCI      
Credit risk      
Financial assets 98,748 11,824  
Credit risk | Carrying amount - principal | Securities at amortized cost      
Credit risk      
Financial assets 1,090,577 999,544  
Credit risk | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 98,771 11,825  
Credit risk | Loss allowance | Securities at amortized cost      
Credit risk      
Financial assets (1,311) (1,632)  
Credit risk | Loss allowance | Securities at FVOCI      
Credit risk      
Financial assets (23) (1)  
Credit risk | Grades 1 - 4 | 0.05 - 0.41 | Securities at amortized cost      
Credit risk      
Financial assets $ 1,007,762    
Credit risk | Grades 1 - 4 | 0.05 - 0.41 | Minimun of the year | Securities at amortized cost      
Credit risk      
Probability of Default 0.05%    
Credit risk | Grades 1 - 4 | 0.05 - 0.41 | Minimun of the year | Securities at FVOCI      
Credit risk      
Probability of Default 0.05%    
Credit risk | Grades 1 - 4 | 0.05 - 0.41 | Maximum of the year | Securities at amortized cost      
Credit risk      
Probability of Default 0.41%    
Credit risk | Grades 1 - 4 | 0.05 - 0.41 | Maximum of the year | Securities at FVOCI      
Credit risk      
Probability of Default 0.41%    
Credit risk | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets $ 98,771    
Credit risk | Grades 1 - 4 | 0.03 - 0.74 | Securities at amortized cost      
Credit risk      
Financial assets   $ 913,524  
Credit risk | Grades 1 - 4 | 0.03 - 0.74 | Minimun of the year | Securities at amortized cost      
Credit risk      
Probability of Default   0.03%  
Credit risk | Grades 1 - 4 | 0.03 - 0.74 | Maximum of the year | Securities at amortized cost      
Credit risk      
Probability of Default   0.74%  
Credit risk | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets   $ 11,825  
Credit risk | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Minimun of the year | Securities at FVOCI      
Credit risk      
Probability of Default   0.03%  
Credit risk | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Maximum of the year | Securities at FVOCI      
Credit risk      
Probability of Default   0.74%  
Credit risk | Grades 5 - 6 | 0.42-3.81 | Securities at amortized cost      
Credit risk      
Financial assets $ 82,815    
Credit risk | Grades 5 - 6 | 0.42-3.81 | Minimun of the year | Securities at amortized cost      
Credit risk      
Probability of Default 0.42%    
Credit risk | Grades 5 - 6 | 0.42-3.81 | Maximum of the year | Securities at amortized cost      
Credit risk      
Probability of Default 3.81%    
Credit risk | Grades 5 - 6 | 0.75 -3.80 | Securities at amortized cost      
Credit risk      
Financial assets   $ 86,020  
Credit risk | Grades 5 - 6 | 0.75 -3.80 | Minimun of the year | Securities at amortized cost      
Credit risk      
Probability of Default   0.75%  
Credit risk | Grades 5 - 6 | 0.75 -3.80 | Maximum of the year | Securities at amortized cost      
Credit risk      
Probability of Default   3.80%  
Credit risk | Expected credit losses individually assessed | Securities at amortized cost      
Credit risk      
Financial assets $ 0 $ 0  
Credit risk | Expected credit losses individually assessed | Securities at FVOCI      
Credit risk      
Financial assets 0 0  
Credit risk | Expected credit losses individually assessed | Carrying amount - principal | Securities at amortized cost      
Credit risk      
Financial assets 0 0  
Credit risk | Expected credit losses individually assessed | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 0 0  
Credit risk | Expected credit losses individually assessed | Loss allowance | Securities at amortized cost      
Credit risk      
Financial assets 0 0  
Credit risk | Expected credit losses individually assessed | Loss allowance | Securities at FVOCI      
Credit risk      
Financial assets 0 0  
Credit risk | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Securities at amortized cost      
Credit risk      
Financial assets 0    
Credit risk | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 0    
Credit risk | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Securities at amortized cost      
Credit risk      
Financial assets   0  
Credit risk | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets   0  
Credit risk | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Securities at amortized cost      
Credit risk      
Financial assets 0    
Credit risk | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Securities at amortized cost      
Credit risk      
Financial assets   0  
Credit risk | Current | Securities at amortized cost      
Credit risk      
Financial assets 1,079,017 969,968  
Credit risk | Current | Securities at FVOCI      
Credit risk      
Financial assets 98,748 11,824  
Credit risk | Current | Carrying amount - principal | Securities at amortized cost      
Credit risk      
Financial assets 1,080,150 971,198  
Credit risk | Current | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 98,771 11,825  
Credit risk | Current | Loss allowance | Securities at amortized cost      
Credit risk      
Financial assets (1,133) (1,230)  
Credit risk | Current | Loss allowance | Securities at FVOCI      
Credit risk      
Financial assets (23) (1)  
Credit risk | Current | Grades 1 - 4 | 0.05 - 0.41 | Securities at amortized cost      
Credit risk      
Financial assets 1,007,762    
Credit risk | Current | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 98,771    
Credit risk | Current | Grades 1 - 4 | 0.03 - 0.74 | Securities at amortized cost      
Credit risk      
Financial assets   913,524  
Credit risk | Current | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets   11,825  
Credit risk | Current | Grades 5 - 6 | 0.42-3.81 | Securities at amortized cost      
Credit risk      
Financial assets 72,388    
Credit risk | Current | Grades 5 - 6 | 0.75 -3.80 | Securities at amortized cost      
Credit risk      
Financial assets   57,674  
Credit risk | Total | Expected credit losses individually assessed | Securities at amortized cost      
Credit risk      
Financial assets 10,249 27,944  
Credit risk | Total | Expected credit losses individually assessed | Securities at FVOCI      
Credit risk      
Financial assets 0 0  
Credit risk | Total | Expected credit losses individually assessed | Carrying amount - principal | Securities at amortized cost      
Credit risk      
Financial assets 10,427 28,346  
Credit risk | Total | Expected credit losses individually assessed | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 0 0  
Credit risk | Total | Expected credit losses individually assessed | Loss allowance | Securities at amortized cost      
Credit risk      
Financial assets (178) (402)  
Credit risk | Total | Expected credit losses individually assessed | Loss allowance | Securities at FVOCI      
Credit risk      
Financial assets 0 0  
Credit risk | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Securities at amortized cost      
Credit risk      
Financial assets 0    
Credit risk | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets 0    
Credit risk | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Securities at amortized cost      
Credit risk      
Financial assets   0  
Credit risk | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Securities at FVOCI      
Credit risk      
Financial assets   0  
Credit risk | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Securities at amortized cost      
Credit risk      
Financial assets 10,427    
Credit risk | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Securities at amortized cost      
Credit risk      
Financial assets   28,346  
Credit risk | Principal balance - Loans at amortized cost      
Credit risk      
Financial assets 8,297,014 7,136,157  
Credit risk | Principal balance - Loans at amortized cost | Carrying amount - principal      
Credit risk      
Financial assets 8,375,172 7,195,567  
Credit risk | Principal balance - Loans at amortized cost | Loss allowance      
Credit risk      
Financial assets (78,158) (59,410)  
Credit risk | Principal balance - Loans at amortized cost | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets $ 2,940,390    
Credit risk | Principal balance - Loans at amortized cost | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 0.05%    
Credit risk | Principal balance - Loans at amortized cost | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 0.41%    
Credit risk | Principal balance - Loans at amortized cost | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   $ 2,893,562  
Credit risk | Principal balance - Loans at amortized cost | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   0.03%  
Credit risk | Principal balance - Loans at amortized cost | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   0.74%  
Credit risk | Principal balance - Loans at amortized cost | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets $ 4,962,893    
Credit risk | Principal balance - Loans at amortized cost | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 0.42%    
Credit risk | Principal balance - Loans at amortized cost | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 3.81%    
Credit risk | Principal balance - Loans at amortized cost | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   $ 3,918,847  
Credit risk | Principal balance - Loans at amortized cost | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   0.75%  
Credit risk | Principal balance - Loans at amortized cost | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   3.80%  
Credit risk | Principal balance - Loans at amortized cost | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets $ 454,849    
Credit risk | Principal balance - Loans at amortized cost | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 3.82%    
Credit risk | Principal balance - Loans at amortized cost | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 34.52%    
Credit risk | Principal balance - Loans at amortized cost | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   $ 373,051  
Credit risk | Principal balance - Loans at amortized cost | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   3.81%  
Credit risk | Principal balance - Loans at amortized cost | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   34.51%  
Credit risk | Principal balance - Loans at amortized cost | Grades 9 - 10 | 34.52 - 100 | Carrying amount - principal      
Credit risk      
Financial assets $ 17,040 $ 10,107  
Credit risk | Principal balance - Loans at amortized cost | Grades 9 - 10 | 34.52 - 100 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 34.53% 34.52%  
Credit risk | Principal balance - Loans at amortized cost | Grades 9 - 10 | 34.52 - 100 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 100.00% 100.00%  
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed      
Credit risk      
Financial assets $ 4,557 $ 3,209  
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 17,040 10,107  
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Loss allowance      
Credit risk      
Financial assets (12,483) (6,898)  
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Principal balance - Loans at amortized cost | Expected credit losses individually assessed | Grades 9 - 10 | 34.52 - 100 | Carrying amount - principal      
Credit risk      
Financial assets 17,040 10,107  
Credit risk | Principal balance - Loans at amortized cost | Current      
Credit risk      
Financial assets 7,943,824 6,843,198  
Credit risk | Principal balance - Loans at amortized cost | Current | Carrying amount - principal      
Credit risk      
Financial assets 7,989,459 6,877,976  
Credit risk | Principal balance - Loans at amortized cost | Current | Loss allowance      
Credit risk      
Financial assets (45,635) (34,778)  
Credit risk | Principal balance - Loans at amortized cost | Current | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 2,940,390    
Credit risk | Principal balance - Loans at amortized cost | Current | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   2,893,562  
Credit risk | Principal balance - Loans at amortized cost | Current | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 4,665,509    
Credit risk | Principal balance - Loans at amortized cost | Current | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   3,680,969  
Credit risk | Principal balance - Loans at amortized cost | Current | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 383,560    
Credit risk | Principal balance - Loans at amortized cost | Current | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   303,445  
Credit risk | Principal balance - Loans at amortized cost | Current | Grades 9 - 10 | 34.52 - 100 | Carrying amount - principal      
Credit risk      
Financial assets 0 0  
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed      
Credit risk      
Financial assets 348,633 289,750  
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 368,673 307,484  
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Loss allowance      
Credit risk      
Financial assets (20,040) (17,734)  
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 297,384    
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   237,878  
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 71,289    
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   69,606  
Credit risk | Principal balance - Loans at amortized cost | Total | Expected credit losses individually assessed | Grades 9 - 10 | 34.52 - 100 | Carrying amount - principal      
Credit risk      
Financial assets 0 0  
Credit risk | Commitments and financial guarantees issued | Carrying amount - principal      
Credit risk      
Financial assets 1,414,380 1,063,706  
Credit risk | Commitments and financial guarantees issued | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets $ 545,855    
Credit risk | Commitments and financial guarantees issued | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 0.05%    
Credit risk | Commitments and financial guarantees issued | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 0.41%    
Credit risk | Commitments and financial guarantees issued | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   $ 457,901  
Credit risk | Commitments and financial guarantees issued | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   0.03%  
Credit risk | Commitments and financial guarantees issued | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   0.74%  
Credit risk | Commitments and financial guarantees issued | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets $ 636,747    
Credit risk | Commitments and financial guarantees issued | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 0.42%    
Credit risk | Commitments and financial guarantees issued | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 3.81%    
Credit risk | Commitments and financial guarantees issued | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   $ 441,782  
Credit risk | Commitments and financial guarantees issued | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   0.75%  
Credit risk | Commitments and financial guarantees issued | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   3.80%  
Credit risk | Commitments and financial guarantees issued | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 3.82%    
Credit risk | Commitments and financial guarantees issued | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 34.52%    
Credit risk | Commitments and financial guarantees issued | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   $ 164,023  
Credit risk | Commitments and financial guarantees issued | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   3.81%  
Credit risk | Commitments and financial guarantees issued | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   34.51%  
Credit risk | Commitments and financial guarantees issued | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets $ 231,778    
Credit risk | Commitments and financial guarantees issued | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 0 $ 0  
Credit risk | Commitments and financial guarantees issued | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Commitments and financial guarantees issued | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Commitments and financial guarantees issued | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Commitments and financial guarantees issued | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Commitments and financial guarantees issued | Expected credit losses individually assessed | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Commitments and financial guarantees issued | Expected credit losses individually assessed | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Commitments and financial guarantees issued | Current | Carrying amount - principal      
Credit risk      
Financial assets 1,402,781 1,035,160  
Credit risk | Commitments and financial guarantees issued | Current | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 545,855    
Credit risk | Commitments and financial guarantees issued | Current | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   457,901  
Credit risk | Commitments and financial guarantees issued | Current | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 630,648    
Credit risk | Commitments and financial guarantees issued | Current | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   416,786  
Credit risk | Commitments and financial guarantees issued | Current | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   160,473  
Credit risk | Commitments and financial guarantees issued | Current | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 226,278    
Credit risk | Commitments and financial guarantees issued | Total | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 11,599 28,546  
Credit risk | Commitments and financial guarantees issued | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Commitments and financial guarantees issued | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Commitments and financial guarantees issued | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 6,099    
Credit risk | Commitments and financial guarantees issued | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   24,996  
Credit risk | Commitments and financial guarantees issued | Total | Expected credit losses individually assessed | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   3,550  
Credit risk | Commitments and financial guarantees issued | Total | Expected credit losses individually assessed | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 5,500    
Credit risk | Customers' liabilities under acceptances | Carrying amount - principal      
Credit risk      
Financial assets 245,065 261,428  
Credit risk | Customers' liabilities under acceptances | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets $ 204,421    
Credit risk | Customers' liabilities under acceptances | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 0.05%    
Credit risk | Customers' liabilities under acceptances | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 0.41%    
Credit risk | Customers' liabilities under acceptances | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   $ 163,438  
Credit risk | Customers' liabilities under acceptances | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   0.03%  
Credit risk | Customers' liabilities under acceptances | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   0.74%  
Credit risk | Customers' liabilities under acceptances | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets $ 1,155    
Credit risk | Customers' liabilities under acceptances | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 0.42%    
Credit risk | Customers' liabilities under acceptances | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 3.81%    
Credit risk | Customers' liabilities under acceptances | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   $ 2,009  
Credit risk | Customers' liabilities under acceptances | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   0.75%  
Credit risk | Customers' liabilities under acceptances | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   3.80%  
Credit risk | Customers' liabilities under acceptances | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default 3.82%    
Credit risk | Customers' liabilities under acceptances | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default 34.52%    
Credit risk | Customers' liabilities under acceptances | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   $ 95,981  
Credit risk | Customers' liabilities under acceptances | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal | Minimun of the year      
Credit risk      
Probability of Default   3.81%  
Credit risk | Customers' liabilities under acceptances | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal | Maximum of the year      
Credit risk      
Probability of Default   34.51%  
Credit risk | Customers' liabilities under acceptances | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets $ 39,489    
Credit risk | Customers' liabilities under acceptances | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 0 $ 0  
Credit risk | Customers' liabilities under acceptances | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Customers' liabilities under acceptances | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Customers' liabilities under acceptances | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Customers' liabilities under acceptances | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Customers' liabilities under acceptances | Expected credit losses individually assessed | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Customers' liabilities under acceptances | Expected credit losses individually assessed | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Customers' liabilities under acceptances | Current | Carrying amount - principal      
Credit risk      
Financial assets 245,065 261,428  
Credit risk | Customers' liabilities under acceptances | Current | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 204,421    
Credit risk | Customers' liabilities under acceptances | Current | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   163,438  
Credit risk | Customers' liabilities under acceptances | Current | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 1,155    
Credit risk | Customers' liabilities under acceptances | Current | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   2,009  
Credit risk | Customers' liabilities under acceptances | Current | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   95,981  
Credit risk | Customers' liabilities under acceptances | Current | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 39,489    
Credit risk | Customers' liabilities under acceptances | Total | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 0 0  
Credit risk | Customers' liabilities under acceptances | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.05 - 0.41 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Customers' liabilities under acceptances | Total | Expected credit losses individually assessed | Grades 1 - 4 | 0.03 - 0.74 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Customers' liabilities under acceptances | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.42-3.81 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Customers' liabilities under acceptances | Total | Expected credit losses individually assessed | Grades 5 - 6 | 0.75 -3.80 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Customers' liabilities under acceptances | Total | Expected credit losses individually assessed | Grades 7 - 8 | 3.81 - 34.51 | Carrying amount - principal      
Credit risk      
Financial assets   0  
Credit risk | Customers' liabilities under acceptances | Total | Expected credit losses individually assessed | Grades 7 - 8 | 3.82 - 34.52 | Carrying amount - principal      
Credit risk      
Financial assets 0    
Credit risk | Loans commitments and financial guarantee contracts      
Credit risk      
Financial assets 1,654,070 1,320,075  
Credit risk | Loans commitments and financial guarantee contracts | Carrying amount - principal      
Credit risk      
Financial assets 1,659,445 1,325,134  
Credit risk | Loans commitments and financial guarantee contracts | Loss allowance      
Credit risk      
Financial assets (5,375) (5,059)  
Credit risk | Loans commitments and financial guarantee contracts | Expected credit losses individually assessed      
Credit risk      
Financial assets 0 0  
Credit risk | Loans commitments and financial guarantee contracts | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 0 0  
Credit risk | Loans commitments and financial guarantee contracts | Expected credit losses individually assessed | Loss allowance      
Credit risk      
Financial assets 0 0  
Credit risk | Loans commitments and financial guarantee contracts | Current      
Credit risk      
Financial assets 1,643,031 1,292,683  
Credit risk | Loans commitments and financial guarantee contracts | Current | Carrying amount - principal      
Credit risk      
Financial assets 1,647,846 1,296,588  
Credit risk | Loans commitments and financial guarantee contracts | Current | Loss allowance      
Credit risk      
Financial assets (4,815) (3,905)  
Credit risk | Loans commitments and financial guarantee contracts | Total | Expected credit losses individually assessed      
Credit risk      
Financial assets 11,039 27,392  
Credit risk | Loans commitments and financial guarantee contracts | Total | Expected credit losses individually assessed | Carrying amount - principal      
Credit risk      
Financial assets 11,599 28,546  
Credit risk | Loans commitments and financial guarantee contracts | Total | Expected credit losses individually assessed | Loss allowance      
Credit risk      
Financial assets $ (560) $ (1,154)