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Applicable laws and regulations (Details 2) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Corporation Loan | $ 8,829 |
Total loans |  | $ 5,892,997,000
Securities at amortized cost |  |
Corporation Loan | 4,911,397,000 | 5,892,997,000
Loans and advances to banks | 2,708,262,000 | 3,282,477,000
At fair value through profit or loss |  |
Total loans | 4,916,346,000 |
Normal [Member] | Securities at amortized cost |  |
Corporation Loan | 4,891,523,000 | 5,817,557,000
Loans and advances to banks | 2,708,262,000 | 3,282,477,000
Normal [Member] | At fair value through profit or loss |  |
Total loans | 4,896,472,000 |
Special mention loans |  |
Total loans | 10,900,000 |
Special mention loans | Securities at amortized cost |  |
Corporation Loan | 9,281,000 | 13,595,000
Loans and advances to banks | 0 | 0
Special mention loans | At fair value through profit or loss |  |
Total loans | 9,281,000 |
Substandards [Member] | Securities at amortized cost |  |
Corporation Loan | 10,593,000 | 0
Loans and advances to banks | 0 | 0
Substandards [Member] | At fair value through profit or loss |  |
Total loans | 10,593,000 |
Doubtful [Member] | Securities at amortized cost |  |
Corporation Loan | 0 | 0
Loans and advances to banks | 0 | 0
Doubtful [Member] | At fair value through profit or loss |  |
Total loans | 0 |
Unrecoverable [Member] | Securities at amortized cost |  |
Corporation Loan | 0 | 61,845,000
Loans and advances to banks | 0 | 0
Unrecoverable [Member] | At fair value through profit or loss |  |
Total loans | 0 |
Securities at FVOCI - Corporate debt | Securities at amortized cost |  |
Corporation Loan | 2,167,720,000 | 2,563,299,000
Securities at FVOCI - Corporate debt | Normal [Member] | Securities at amortized cost |  |
Corporation Loan | 2,147,846,000 | 2,487,859,000
Securities at FVOCI - Corporate debt | Special mention loans | Securities at amortized cost |  |
Corporation Loan | 9,281,000 | 13,595,000
Securities at FVOCI - Corporate debt | Substandards [Member] | Securities at amortized cost |  |
Corporation Loan | 10,593,000 | 0
Securities at FVOCI - Corporate debt | Doubtful [Member] | Securities at amortized cost |  |
Corporation Loan | 0 | 0
Securities at FVOCI - Corporate debt | Unrecoverable [Member] | Securities at amortized cost |  |
Corporation Loan | 0 | 61,845,000
Private banks [Member] | Securities at amortized cost |  |
Loans and advances to banks | 2,231,742,000 | 2,692,787,000
Private banks [Member] | At fair value through profit or loss |  |
Total loans | 4,949,000 |
Private banks [Member] | Normal [Member] | Securities at amortized cost |  |
Loans and advances to banks | 2,231,742,000 | 2,692,787,000
Private banks [Member] | Normal [Member] | At fair value through profit or loss |  |
Total loans | 4,949,000 |
Private banks [Member] | Special mention loans | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Private banks [Member] | Special mention loans | At fair value through profit or loss |  |
Total loans | 0 |
Private banks [Member] | Substandards [Member] | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Private banks [Member] | Substandards [Member] | At fair value through profit or loss |  |
Total loans | 0 |
Private banks [Member] | Doubtful [Member] | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Private banks [Member] | Doubtful [Member] | At fair value through profit or loss |  |
Total loans | 0 |
Private banks [Member] | Unrecoverable [Member] | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Private banks [Member] | Unrecoverable [Member] | At fair value through profit or loss |  |
Total loans | 0 |
Stateowned [Member] | Securities at amortized cost |  |
Loans and advances to banks | 476,520,000 | 589,690,000
Stateowned [Member] | Normal [Member] | Securities at amortized cost |  |
Loans and advances to banks | 476,520,000 | 589,690,000
Stateowned [Member] | Special mention loans | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Stateowned [Member] | Substandards [Member] | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Stateowned [Member] | Doubtful [Member] | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Stateowned [Member] | Unrecoverable [Member] | Securities at amortized cost |  |
Loans and advances to banks | 0 | 0
Sovereign [Member] | Securities at amortized cost |  |
Sovereign loans | 35,415,000 | 47,221,000
Sovereign [Member] | Normal [Member] | Securities at amortized cost |  |
Sovereign loans | 35,415,000 | 47,221,000
Sovereign [Member] | Special mention loans | Securities at amortized cost |  |
Sovereign loans | 0 | 0
Sovereign [Member] | Substandards [Member] | Securities at amortized cost |  |
Sovereign loans | 0 | 0
Sovereign [Member] | Doubtful [Member] | Securities at amortized cost |  |
Sovereign loans | 0 | 0
Sovereign [Member] | Unrecoverable [Member] | Securities at amortized cost |  |
Sovereign loans | 0 | 0
Allowance For Loan Losses IFRS [Member] | Securities at amortized cost |  |
Total Allowance for loan losses IFRS | 41,165,000 | 99,307,000
Allowance For Loan Losses IFRS [Member] | Normal [Member] | Securities at amortized cost |  |
Total Allowance for loan losses IFRS | 34,720,000 | 42,396,000
Allowance For Loan Losses IFRS [Member] | Special mention loans | Securities at amortized cost |  |
Total Allowance for loan losses IFRS | 1,857,000 | 2,338,000
Allowance For Loan Losses IFRS [Member] | Substandards [Member] | Securities at amortized cost |  |
Total Allowance for loan losses IFRS | 4,588,000 | 0
Allowance For Loan Losses IFRS [Member] | Doubtful [Member] | Securities at amortized cost |  |
Total Allowance for loan losses IFRS | 0 | 0
Allowance For Loan Losses IFRS [Member] | Unrecoverable [Member] | Securities at amortized cost |  |
Total Allowance for loan losses IFRS | $ 0 | $ 54,573,000

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