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v3.23.2

BORROWINGS, SUBORDINATED NOTES AND DEBENTURES - NARRATIVE (Details) |  |  | 1 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 28, 2019 USD ($) | Dec. 13, 2004 USD ($) | Feb. 28, 2022 USD ($) | Sep. 30, 2020 USD ($) | Aug. 24, 2023 | Jun. 30, 2023 USD ($) bank | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Borrowings, subordinated notes and debentures |  |  |  |  |  | $ 361,779,000 | $ 445,244,000 |  |
Repayment of subordinated loans |  |  |  |  |  | 0 | 0 | $ 51,000,000 |
Borrowings from other banks |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | 0 | 0 |  |
Federal Reserve Bank Advances |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Short-term borrowings outstanding |  |  |  |  |  | 0 | 0 |  |
Maximum borrowing capacity |  |  |  |  |  | 2,747,100,000 | $ 2,823,500,000 |  |
Federal funds | Borrowings from other banks |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | $ 225,000,000 |  |  |
Federal funds lines of credit, number of banks | bank |  |  |  |  |  | 4 |  |  |
Secured lines of credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | $ 150,000,000 |  |  |
Borrowings, subordinated notes and debentures |  |  |  |  |  | $ 11,500,000 |  |  |
Weighted average interest rate of borrowings (as percent) |  |  |  |  |  | 7.00% |  |  |
Unsecured line of credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | $ 190,000,000 |  |  |
Borrowings, subordinated notes and debentures |  |  |  |  |  | 15,700,000 |  |  |
Unsecured line of credit | Axos Clearing |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | 100,000,000 |  |  |
Subordinated loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Borrowings, subordinated notes and debentures |  |  |  |  |  | $ 7,400,000 |  |  |
Subordinated notes | $ 7,500,000 |  |  |  |  |  |  |  |
Subordinated notes maturity (in months) | 15 months |  |  |  |  |  |  |  |
Effective rate (as percent) | 6.25% |  |  |  |  |  |  |  |
Repayment of subordinated loans |  |  |  |  |  |  |  |  | $ 100,000
Subordinated notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Subordinated notes |  |  | $ 150,000,000 | $ 175,000,000 |  |  |  |  |
Effective rate (as percent) |  |  | 4.00% | 4.875% |  |  |  |  |
Basis spread on variable rate |  |  | 227.00% |  |  |  |  |  |
Percentage of principal amount redeemed |  |  | 4.00% |  |  |  |  |  |
Subordinated notes | Secured Overnight Financing Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 4.76% |  |  |  |  |
Junior subordinated debentures |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Effective rate (as percent) |  |  |  |  |  | 7.79% |  |  |
Trust preferred securities |  | $ 5,000,000 |  |  |  |  |  |  |
Borrowings, subordinated notes and debentures |  |  |  |  |  | $ 5,200,000 |  |  |
Junior subordinated debentures | Secured Overnight Financing Rate | Subsequent Event |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 0.26161% |  |  |  |
Description of variable rate basis |  |  |  |  | hree-month term SOFR |  |  |  |
Junior subordinated debentures | LIBOR |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  | 2.40% |  |  |
Description of variable rate basis |  |  |  |  |  | three-month LIBOR |  |  |

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