| r0.2 | label_boi_a2/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | boi_CS:x2 | N/A | boi_MU:x1 |
| r0.1 | label_boi_a2/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | N/A | boi_CB:x1 | N/A | boi_CS:x2 | N/A | boi_MU:x1 |
| 1.2 | Interest income/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x9 | N/A | N/A | boi_CS:x2 | boi_MC:x125 | boi_MU:x1 |
| 1.1 | Interest income/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x125 | boi_MU:x1 |
| 2.2 | Interest expenses/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | N/A | N/A | boi_CS:x2 | boi_MC:x125 | boi_MU:x1 |
| 2.1 | Interest expenses/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x125 | boi_MU:x1 |
| 3.2 | Net Interest income/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x125 | boi_MU:x1 |
| 3.1 | Net Interest income/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x125 | boi_MU:x1 |
| 4.2 | Provision for credit losses/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x12 | N/A | N/A | boi_CS:x2 | boi_MC:x126 | boi_MU:x1 |
| 4.1 | Provision for credit losses/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x12 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x126 | boi_MU:x1 |
| 5.2 | Net Interest income after expenses in respect of credit losses/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x124 | boi_MU:x1 |
| 5.1 | Net Interest income after expenses in respect of credit losses/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x124 | boi_MU:x1 |
| r6.2 | Non-interest income/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | N/A | N/A | N/A | boi_CS:x2 | N/A | boi_MU:x1 |
| r6.1 | Non-interest income/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | N/A | boi_CB:x1 | N/A | boi_CS:x2 | N/A | boi_MU:x1 |
| 6.2 | Non-interest financing income/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x128 | boi_MU:x1 |
| 6.1 | Non-interest financing income/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x128 | boi_MU:x1 |
| 7.2 | Fees/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x9 | N/A | N/A | boi_CS:x2 | boi_MC:x141 | boi_MU:x1 |
| 7.1 | Fees/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x141 | boi_MU:x1 |
| 8.2 | Other income/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x153 | boi_MU:x1 |
| 8.1 | Other income/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x153 | boi_MU:x1 |
| 9.2 | Total/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x127 | boi_MU:x1 |
| 9.1 | Total/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x127 | boi_MU:x1 |
| r11.2 | Operating and other expenses:/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | N/A | N/A | boi_CS:x2 | N/A | boi_MU:x1 |
| r11.1 | Operating and other expenses:/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | boi_CB:x1 | N/A | boi_CS:x2 | N/A | boi_MU:x1 |
| 10.2 | Salaries and related expenses/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | N/A | N/A | boi_CS:x2 | boi_MC:x161 | boi_MU:x1 |
| 10.1 | Salaries and related expenses/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x161 | boi_MU:x1 |
| 11.2 | Maintenance and depreciation on building and equipment/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | N/A | N/A | boi_CS:x2 | boi_MC:x171 | boi_MU:x1 |
| 11.1 | Maintenance and depreciation on building and equipment/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x171 | boi_MU:x1 |
| 12.2 | Amortization and impairment of intangible assets and goodwill/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | N/A | N/A | boi_CS:x2 | boi_MC:x172 | boi_MU:x1 |
| 12.1 | Amortization and impairment of intangible assets and goodwill/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x172 | boi_MU:x1 |
| 13.2 | Other expenses/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | N/A | N/A | boi_CS:x2 | boi_MC:x173 | boi_MU:x1 |
| 13.1 | Other expenses/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x173 | boi_MU:x1 |
| 14.2 | Total/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | N/A | N/A | boi_CS:x2 | boi_MC:x160 | boi_MU:x1 |
| 14.1 | Total/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x10 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x160 | boi_MU:x1 |
| 15.2 | Profit before taxes/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x123 | boi_MU:x1 |
| 15.1 | Profit before taxes/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x123 | boi_MU:x1 |
| 16.2 | Provision for taxes on profit/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x12 | N/A | N/A | boi_CS:x2 | boi_MC:x190 | boi_MU:x1 |
| 16.1 | Provision for taxes on profit/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x12 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x190 | boi_MU:x1 |
| 17.2 | Profit after taxes/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x122 | boi_MU:x1 |
| 17.1 | Profit after taxes/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x122 | boi_MU:x1 |
| 18.2 | Share of reporting office in profits of affiliated companies, after taxes/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x191 | boi_MU:x1 |
| 18.1 | Share of reporting office in profits of affiliated companies, after taxes/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x191 | boi_MU:x1 |
| r21.2 | Net profit/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |
| r21.1 | Net profit/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |
| 19.2 | Before attributing to holders of noncontrolling interests/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | N/A | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |
| 19.1 | Before attributing to holders of noncontrolling interests/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | N/A | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |
| 20.2 | Attributed to holders of noncontrolling interests/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | boi_CN:x2 | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |
| 20.1 | Attributed to holders of noncontrolling interests/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | boi_CN:x2 | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |
| 21.2 | Attributed to shareholders of the banking corporation/ILS | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | N/A | boi_CN:x1 | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |
| 21.1 | Attributed to shareholders of the banking corporation/Local currency | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CB:x1 | boi_CN:x1 | boi_CS:x2 | boi_MC:x121 | boi_MU:x1 |