| r0.1 | label_boi_a2/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | N/A |
| r0.2 | label_boi_a2/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | N/A |
| r0.3 | label_boi_a2/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | N/A |
| r0.4 | label_boi_a2/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | N/A |
| r0.5 | label_boi_a2/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | N/A |
| r0.6 | label_boi_a2/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | N/A |
| r0.7 | label_boi_a2/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | N/A |
| r0.8 | label_boi_a2/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | N/A |
| r0.9 | label_boi_a2/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | N/A |
| r0.10 | label_boi_a2/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | N/A |
| 1.1 | Deposit less than 100 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x218 |
| 1.2 | Deposit less than 100 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x218 |
| 1.3 | Deposit less than 100 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x218 |
| 1.4 | Deposit less than 100 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x218 |
| 1.5 | Deposit less than 100 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x218 |
| 1.6 | Deposit less than 100 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x218 |
| 1.7 | Deposit less than 100 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x218 |
| 1.8 | Deposit less than 100 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x218 |
| 1.9 | Deposit less than 100 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x218 |
| 1.10 | Deposit less than 100 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x218 |
| 2.1 | Deposit greater than 100 but less than 1,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x219 |
| 2.2 | Deposit greater than 100 but less than 1,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x219 |
| 2.3 | Deposit greater than 100 but less than 1,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x219 |
| 2.4 | Deposit greater than 100 but less than 1,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x219 |
| 2.5 | Deposit greater than 100 but less than 1,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x219 |
| 2.6 | Deposit greater than 100 but less than 1,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x219 |
| 2.7 | Deposit greater than 100 but less than 1,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x219 |
| 2.8 | Deposit greater than 100 but less than 1,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x219 |
| 2.9 | Deposit greater than 100 but less than 1,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x219 |
| 2.10 | Deposit greater than 100 but less than 1,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x219 |
| 3.1 | Deposit greater than 1,000 but less than 10,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x220 |
| 3.2 | Deposit greater than 1,000 but less than 10,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x220 |
| 3.3 | Deposit greater than 1,000 but less than 10,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x220 |
| 3.4 | Deposit greater than 1,000 but less than 10,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x220 |
| 3.5 | Deposit greater than 1,000 but less than 10,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x220 |
| 3.6 | Deposit greater than 1,000 but less than 10,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x220 |
| 3.7 | Deposit greater than 1,000 but less than 10,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x220 |
| 3.8 | Deposit greater than 1,000 but less than 10,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x220 |
| 3.9 | Deposit greater than 1,000 but less than 10,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x220 |
| 3.10 | Deposit greater than 1,000 but less than 10,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x220 |
| 4.1 | Deposit greater than 10,000 but less than 100,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x211 |
| 4.2 | Deposit greater than 10,000 but less than 100,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x211 |
| 4.3 | Deposit greater than 10,000 but less than 100,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x211 |
| 4.4 | Deposit greater than 10,000 but less than 100,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x211 |
| 4.5 | Deposit greater than 10,000 but less than 100,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x211 |
| 4.6 | Deposit greater than 10,000 but less than 100,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x211 |
| 4.7 | Deposit greater than 10,000 but less than 100,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x211 |
| 4.8 | Deposit greater than 10,000 but less than 100,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x211 |
| 4.9 | Deposit greater than 10,000 but less than 100,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x211 |
| 4.10 | Deposit greater than 10,000 but less than 100,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x211 |
| 5.1 | Deposit greater than 100,000 but less than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x212 |
| 5.2 | Deposit greater than 100,000 but less than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x212 |
| 5.3 | Deposit greater than 100,000 but less than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x212 |
| 5.4 | Deposit greater than 100,000 but less than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x212 |
| 5.5 | Deposit greater than 100,000 but less than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x212 |
| 5.6 | Deposit greater than 100,000 but less than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x212 |
| 5.7 | Deposit greater than 100,000 but less than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x212 |
| 5.8 | Deposit greater than 100,000 but less than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x212 |
| 5.9 | Deposit greater than 100,000 but less than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x212 |
| 5.10 | Deposit greater than 100,000 but less than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x212 |
| 6.1 | Deposit greater than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x213 |
| 6.2 | Deposit greater than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | boi_VI:x213 |
| 6.3 | Deposit greater than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x213 |
| 6.4 | Deposit greater than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | boi_VI:x213 |
| 6.5 | Deposit greater than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x213 |
| 6.6 | Deposit greater than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | boi_VI:x213 |
| 6.7 | Deposit greater than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x213 |
| 6.8 | Deposit greater than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | boi_VI:x213 |
| 6.9 | Deposit greater than 1,000,000 shekels/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x213 |
| 6.10 | Deposit greater than 1,000,000 shekels/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | boi_VI:x213 |
| 7.1 | Total/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | N/A |
| 7.2 | Total/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x62 | N/A |
| 7.3 | Total/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | N/A |
| 7.4 | Total/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x85 | N/A |
| 7.5 | Total/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | N/A |
| 7.6 | Total/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x20 | N/A |
| 7.7 | Total/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | N/A |
| 7.8 | Total/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | boi_TI:x78 | N/A |
| 7.9 | Total/Balance of Inactive Deposit Accounts | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | N/A |
| 7.10 | Total/Number of Inactive Deposit Accounts | boi_met:ii289 | xbrli:integerItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_SE:x349 | boi_ST:x201 | N/A | N/A |