| r0.1 | label_boi_a2/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A |
| r0.2 | label_boi_a2/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | N/A | N/A | boi_MC:x8 | N/A | boi_TI:x2 |
| r0.3 | label_boi_a2/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | N/A | N/A | boi_MC:x8 | N/A | boi_TI:x1 |
| r1.1 | Borrower's activity in Israel/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | N/A | N/A |
| r1.2 | Borrower's activity in Israel/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | N/A | boi_TI:x2 |
| r1.3 | Borrower's activity in Israel/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | N/A | boi_TI:x1 |
| 1.1 | Agriculture/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x29 | N/A |
| 1.2 | Agriculture/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x29 | boi_TI:x2 |
| 1.3 | Agriculture/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x29 | boi_TI:x1 |
| 2.1 | Mining and quarrying/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x288 | N/A |
| 2.2 | Mining and quarrying/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x288 | boi_TI:x2 |
| 2.3 | Mining and quarrying/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x288 | boi_TI:x1 |
| 3.1 | Manufacturing/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x289 | N/A |
| 3.2 | Manufacturing/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x289 | boi_TI:x2 |
| 3.3 | Manufacturing/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x289 | boi_TI:x1 |
| 4.1 | Electricity, gas, steam and air conditioning supply/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x293 | N/A |
| 4.2 | Electricity, gas, steam and air conditioning supply/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x293 | boi_TI:x2 |
| 4.3 | Electricity, gas, steam and air conditioning supply/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x293 | boi_TI:x1 |
| 5.1 | Water supply, sewerage, waste management and remediation activities/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x294 | N/A |
| 5.2 | Water supply, sewerage, waste management and remediation activities/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x294 | boi_TI:x2 |
| 5.3 | Water supply, sewerage, waste management and remediation activities/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x294 | boi_TI:x1 |
| 6.1 | Construction and real estate-construction/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x8 | N/A |
| 6.2 | Construction and real estate-construction/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x8 | boi_TI:x2 |
| 6.3 | Construction and real estate-construction/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x8 | boi_TI:x1 |
| 7.1 | Construction and real estate-real estate activity/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x7 | N/A |
| 7.2 | Construction and real estate-real estate activity/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x7 | boi_TI:x2 |
| 7.3 | Construction and real estate-real estate activity/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x7 | boi_TI:x1 |
| 8.1 | Trade/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x106 | N/A |
| 8.2 | Trade/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x106 | boi_TI:x2 |
| 8.3 | Trade/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x106 | boi_TI:x1 |
| 9.1 | Transport and storage/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x34 | N/A |
| 9.2 | Transport and storage/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x34 | boi_TI:x2 |
| 9.3 | Transport and storage/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x34 | boi_TI:x1 |
| 10.1 | Hotels, hospitality, food/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x33 | N/A |
| 10.2 | Hotels, hospitality, food/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x33 | boi_TI:x2 |
| 10.3 | Hotels, hospitality, food/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x33 | boi_TI:x1 |
| 11.1 | Communications and computer services/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x35 | N/A |
| 11.2 | Communications and computer services/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x35 | boi_TI:x2 |
| 11.3 | Communications and computer services/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x35 | boi_TI:x1 |
| 12.1 | Financial services/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x36 | N/A |
| 12.2 | Financial services/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x36 | boi_TI:x2 |
| 12.3 | Financial services/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x36 | boi_TI:x1 |
| 13.1 | Business and other services/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x37 | N/A |
| 13.2 | Business and other services/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x37 | boi_TI:x2 |
| 13.3 | Business and other services/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x37 | boi_TI:x1 |
| 14.1 | Public and community services/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x38 | N/A |
| 14.2 | Public and community services/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x38 | boi_TI:x2 |
| 14.3 | Public and community services/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x38 | boi_TI:x1 |
| 15.1 | Total commercial/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x4 | N/A |
| 15.2 | Total commercial/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x4 | boi_TI:x2 |
| 15.3 | Total commercial/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x4 | boi_TI:x1 |
| 16.1 | Individuals - loans for housing/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CL:x35 | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x15 | N/A |
| 16.2 | Individuals - loans for housing/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CL:x35 | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x15 | boi_TI:x2 |
| 16.3 | Individuals - loans for housing/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CL:x35 | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x15 | boi_TI:x1 |
| 17.1 | Individuals - other/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CL:x38 | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x15 | N/A |
| 17.2 | Individuals - other/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CL:x38 | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x15 | boi_TI:x2 |
| 17.3 | Individuals - other/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CL:x38 | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x15 | boi_TI:x1 |
| 18.1 | Borrower's total activity in Israel/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x16 | N/A |
| 18.2 | Borrower's total activity in Israel/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x16 | boi_TI:x2 |
| 18.3 | Borrower's total activity in Israel/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x1 | boi_GA:x1 | boi_MC:x8 | boi_SE:x16 | boi_TI:x1 |
| 19.1 | Borrower's total activity abroad/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x2 | boi_GA:x2 | boi_MC:x8 | boi_SE:x16 | N/A |
| 19.2 | Borrower's total activity abroad/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x2 | boi_GA:x2 | boi_MC:x8 | boi_SE:x16 | boi_TI:x2 |
| 19.3 | Borrower's total activity abroad/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | boi_GA:x2 | boi_GA:x2 | boi_MC:x8 | boi_SE:x16 | boi_TI:x1 |
| 20.1 | Total/Credit | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | N/A | N/A | boi_MC:x8 | boi_SE:x16 | N/A |
| 20.2 | Total/debts In arrears of 90 days or more | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | N/A | N/A | boi_MC:x8 | boi_SE:x16 | boi_TI:x2 |
| 20.3 | Total/debts In arrears of 30 to 89 days | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | boi_CS:x1 | N/A | N/A | boi_MC:x8 | boi_SE:x16 | boi_TI:x1 |