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Applicable laws and regulations - Schedule of based on the classification of risks, collateral and in compliance with SBP Rule No. 4 2013 (Details ) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Statement [Line Items] |  |
Corporation loan | $ 8,829 |
Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 5,734,605 | $ 4,911,397
Loans and advances to banks | 2,688,609 | 2,708,262
At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 5,739,918 | 4,916,346
Normal | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 5,655,344 | 4,891,523
Loans and advances to banks | 2,688,609 | 2,708,262
Normal | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 5,660,657 | 4,896,472
Special Mention |  |
Statement [Line Items] |  |
Total loans | 10,900 |
Special Mention | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 68,668 | 9,281
Loans and advances to banks | 0 | 0
Special Mention | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 68,668 | 9,281
Substandard | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 10,593 | 10,593
Loans and advances to banks | 0 | 0
Substandard | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 10,593 | 10,593
Doubtful | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 0 | 0
Loans and advances to banks | 0 | 0
Doubtful | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 0 | 0
Unrecoverable | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 0 | 0
Loans and advances to banks | 0 | 0
Unrecoverable | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 0 | 0
Securities at FVOCI - Corporate debt | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 3,022,386 | 2,167,720
Securities at FVOCI - Corporate debt | Normal | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 2,943,125 | 2,147,846
Securities at FVOCI - Corporate debt | Special Mention | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 68,668 | 9,281
Securities at FVOCI - Corporate debt | Substandard | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 10,593 | 10,593
Securities at FVOCI - Corporate debt | Doubtful | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 0 | 0
Securities at FVOCI - Corporate debt | Unrecoverable | Securities at amortized cost |  |
Statement [Line Items] |  |
Corporation loan | 0 | 0
Private | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 2,120,762 | 2,231,742
Private | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 5,313 | 4,949
Private | Normal | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 2,120,762 | 2,231,742
Private | Normal | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 5,313 | 4,949
Private | Special Mention | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
Private | Special Mention | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 0 | 0
Private | Substandard | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
Private | Substandard | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 0 | 0
Private | Doubtful | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
Private | Doubtful | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 0 | 0
Private | Unrecoverable | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
Private | Unrecoverable | At fair value through profit or loss |  |
Statement [Line Items] |  |
Total loans | 0 | 0
State-owned | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 567,847 | 476,520
State-owned | Normal | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 567,847 | 476,520
State-owned | Special Mention | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
State-owned | Substandard | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
State-owned | Doubtful | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
State-owned | Unrecoverable | Securities at amortized cost |  |
Statement [Line Items] |  |
Loans and advances to banks | 0 | 0
Sovereign | Securities at amortized cost |  |
Statement [Line Items] |  |
Sovereign | 23,610 | 35,415
Sovereign | Normal | Securities at amortized cost |  |
Statement [Line Items] |  |
Sovereign | 23,610 | 35,415
Sovereign | Special Mention | Securities at amortized cost |  |
Statement [Line Items] |  |
Sovereign | 0 | 0
Sovereign | Substandard | Securities at amortized cost |  |
Statement [Line Items] |  |
Sovereign | 0 | 0
Sovereign | Doubtful | Securities at amortized cost |  |
Statement [Line Items] |  |
Sovereign | 0 | 0
Sovereign | Unrecoverable | Securities at amortized cost |  |
Statement [Line Items] |  |
Sovereign | 0 | 0
Allowance For Loan Losses IFRS | Securities at amortized cost |  |
Statement [Line Items] |  |
Total Allowance for loan losses IFRS | 41,476 | 41,165
Allowance For Loan Losses IFRS | Normal | Securities at amortized cost |  |
Statement [Line Items] |  |
Total Allowance for loan losses IFRS | 22,713 | 34,720
Allowance For Loan Losses IFRS | Special Mention | Securities at amortized cost |  |
Statement [Line Items] |  |
Total Allowance for loan losses IFRS | 13,577 | 1,857
Allowance For Loan Losses IFRS | Substandard | Securities at amortized cost |  |
Statement [Line Items] |  |
Total Allowance for loan losses IFRS | 5,186 | 4,588
Allowance For Loan Losses IFRS | Doubtful | Securities at amortized cost |  |
Statement [Line Items] |  |
Total Allowance for loan losses IFRS | 0 | 0
Allowance For Loan Losses IFRS | Unrecoverable | Securities at amortized cost |  |
Statement [Line Items] |  |
Total Allowance for loan losses IFRS | $ 0 | $ 0

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