| r0.1 | label_boi_a2/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| r0.2 | label_boi_a2/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| r1.1 | a. Types of deposits by recruitment location and depositor's type/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| r1.2 | a. Types of deposits by recruitment location and depositor's type/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| r2.1 | Deposits in Israel/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| r2.2 | Deposits in Israel/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| r3.1 | On demand/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| r3.2 | On demand/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 1.1 | Not bearing interest/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 1.2 | Not bearing interest/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 2.1 | Bearing interest/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | boi_MC:x962 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 2.2 | Bearing interest/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_MC:x962 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 3.1 | Total on demand/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 3.2 | Total on demand/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 4.1 | Term deposit/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 4.2 | Term deposit/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 5.1 | of which: not bearing interest/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 5.2 | of which: not bearing interest/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 6.1 | Total deposits in Israel/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| 6.2 | Total deposits in Israel/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| r10.1 | Of which:/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| r10.2 | Of which:/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | N/A | N/A | N/A |
| 7.1 | Deposits of individuals/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x15 | N/A | N/A |
| 7.2 | Deposits of individuals/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x15 | N/A | N/A |
| 8.1 | Deposits of institutional entities/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x25 | N/A | N/A |
| 8.2 | Deposits of institutional entities/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x25 | N/A | N/A |
| 9.1 | Deposits of corporations and others/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x68 | N/A | N/A |
| 9.2 | Deposits of corporations and others/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x1 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x68 | N/A | N/A |
| r14.1 | Deposits outside Israel/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| r14.2 | Deposits outside Israel/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| r15.1 | On demand/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| r15.2 | On demand/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 10.1 | Not bearing interest/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 10.2 | Not bearing interest/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 11.1 | Bearing interest/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | boi_MC:x962 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 11.2 | Bearing interest/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | boi_MC:x962 | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 12.1 | Total on demand/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 12.2 | Total on demand/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x37 | N/A |
| 13.1 | Term deposit/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 13.2 | Term deposit/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 14.1 | of which: not bearing interest/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 14.2 | of which: not bearing interest/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | boi_MC:x914 | boi_RP:x24 | boi_SE:x16 | boi_TI:x35 | N/A |
| 15.1 | Total deposits outside Israel/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| 15.2 | Total deposits outside Israel/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | boi_GA:x2 | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| 16.1 | Total credit to the public/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| 16.2 | Total credit to the public/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| r23.1 | b. Credit to the public by size/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| r23.2 | b. Credit to the public by size/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| 17.1 | Up to 1 MNIS/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x22 |
| 17.2 | Up to 1 MNIS/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x22 |
| 18.1 | Over 1 and till 10 MNIS/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x23 |
| 18.2 | Over 1 and till 10 MNIS/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x23 |
| 19.1 | Over 10 and till 100 MNIS/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x24 |
| 19.2 | Over 10 and till 100 MNIS/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x24 |
| 20.1 | Over 100 and until 500 MNIS/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x25 |
| 20.2 | Over 100 and until 500 MNIS/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x25 |
| 21.1 | Over 500 MNIS/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x26 |
| 21.2 | Over 500 MNIS/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | boi_VI:x26 |
| 22.1 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x2 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |
| 22.2 | Total/Bank Corporation | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x2 | boi_CS:x1 | N/A | boi_MC:x17 | N/A | boi_RP:x24 | boi_SE:x16 | N/A | N/A |