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Non-Interest Expense - Components of Non-Interest Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Noninterest Expense [Abstract] |  |  |
Salaries and employee benefits | $ 60,910 | $ 64,490 |
Occupancy and equipment | 14,551 | 14,952 |
Data processing expense | 9,147 | 8,968 |
Merger and acquisition expenses | 0 | 0 |
Other operating expenses: |  |  |
Advertising | 1,654 | 2,231 |
Amortization of intangibles | 2,140 | 2,477 | $ 7,208
Electronic banking expense | 3,156 | 3,330 |
Directors’ fees | 498 | 460 |
Due from bank service charges | 276 | 273 |
FDIC and state assessment | 3,318 | 3,500 |
Insurance | 903 | 889 |
Legal and accounting | 2,081 | 1,088 |
Other professional fees | 2,236 | 2,284 |
Operating supplies | 683 | 738 |
Postage | 523 | 501 |
Telephone | 470 | 528 |
Other expense | 8,950 | 7,935 |
Total other operating expenses | 26,888 | 26,234 |
Total non-interest expense | $ 111,496 | $ 114,644 |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483406/720-35-50-1 + Details
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