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Loans and Allowance for Credit Losses - Collateral dependent loans and related ACL (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2023
--- | --- | --- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | $ 3,966,736 | $ 3,850,035 |  |
Related allowance for credit losses | 54,437 | 52,516 | $ 49,122 | $ 47,820
Construction and land development |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 351,481 |  |  |
Agriculture real estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 239,787 |  |  |
Commercial and industrial |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 457,018 | 450,147 |  |
Related allowance for credit losses | 6,114 | 6,233 | 5,134 | 5,235
Agriculture production |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 200,215 | 175,968 |  |
Related allowance for credit losses | 784 | 835 | 697 | 782
Consumer |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 58,735 | 59,671 |  |
Related allowance for credit losses | 526 | 578 | 453 | 490
All other loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 3,699 | 3,981 |  |
Related allowance for credit losses | 14 | 17 | 16 | 21
Secured by real estate | 1-4 residential real estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 942,916 | 925,397 |  |
Related allowance for credit losses | 10,637 | 10,528 | 9,371 | 9,474
Secured by real estate | Commercial Real Estate | Non-owner occupied |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 903,678 | 899,770 |  |
Related allowance for credit losses | 20,728 | 19,055 | 16,504 | 13,863
Secured by real estate | Commercial Real Estate | Owner occupied |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 438,030 | 427,476 |  |
Related allowance for credit losses | 4,814 | 4,815 | 4,879 | 5,168
Secured by real estate | Multi-family real estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 371,177 | 384,564 |  |
Related allowance for credit losses | 5,118 | 5,447 | 6,097 | 6,806
Secured by real estate | Construction and land development |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 351,481 | 290,541 |  |
Related allowance for credit losses | 3,675 | 2,901 | 3,545 | 3,414
Secured by real estate | Agriculture real estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 239,787 | 232,520 |  |
Related allowance for credit losses | 2,027 | 2,107 | $ 2,426 | $ 2,567
Commercial Real Estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 23,704 | 23,457 |  |
Commercial Real Estate | Commercial Real Estate | Non-owner occupied |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 23,204 | 23,457 |  |
Commercial Real Estate | Commercial Real Estate | Owner occupied |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 500 |  |  |
Residential Real Estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 790 | 797 |  |
Residential Real Estate | 1-4 residential real estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 790 | 797 |  |
Construction and Land Development |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 1,161 |  |  |
Construction and Land Development | Construction and land development |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 1,161 |  |  |
Other |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 1,671 | 2,705 |  |
Other | Commercial and industrial |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 1,671 | 2,705 |  |
Collateral Pledged |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 27,326 | 26,959 |  |
Related allowance for credit losses | 13,126 | 10,926 |  |
Collateral Pledged | 1-4 residential real estate |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 790 | 797 |  |
Related allowance for credit losses | 108 | 116 |  |
Collateral Pledged | Commercial Real Estate | Non-owner occupied |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 23,204 | 23,457 |  |
Related allowance for credit losses | 12,079 | 10,175 |  |
Collateral Pledged | Commercial Real Estate | Owner occupied |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 500 |  |  |
Related allowance for credit losses | 164 |  |  |
Collateral Pledged | Construction and land development |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 1,161 |  |  |
Related allowance for credit losses | 161 |  |  |
Collateral Pledged | Commercial and industrial |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Loans Receivable | 1,671 | 2,705 |  |
Related allowance for credit losses | $ 614 | $ 635 |  |

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