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Loans and Allowance for Credit Losses - Credit risk profile based on rating category and year of origination (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Jun. 30, 2024
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Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | $ 950,875 | $ 737,190
2024 / 2023 | 410,972 | 953,922
2023 / 2022 | 846,049 | 833,645
2022 / 2021 | 713,760 | 518,406
2021 / 2020 | 398,993 | 171,485
Prior | 284,349 | 200,743
Revolving loans | 495,770 | 434,644
Total | 4,100,768 | 3,850,035
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 935,212 | 720,679
2024 / 2023 | 390,289 | 926,158
2023 / 2022 | 819,478 | 802,592
2022 / 2021 | 677,255 | 515,857
2021 / 2020 | 394,266 | 166,539
Prior | 281,232 | 196,262
Revolving loans | 476,429 | 432,843
Total | 3,974,161 | 3,760,930
Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 14,799 | 8,921
2024 / 2023 | 10,810 | 26,306
2023 / 2022 | 20,407 | 2,049
2022 / 2021 | 7,719 | 2,063
2021 / 2020 | 4,570 | 4,800
Prior | 399 | 2,963
Revolving loans | 18,269 | 1,141
Total | 76,973 | 48,243
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 864 | 7,590
2024 / 2023 | 9,873 | 1,458
2023 / 2022 | 6,164 | 29,004
2022 / 2021 | 28,786 | 486
2021 / 2020 | 157 | 146
Prior | 2,718 | 1,518
Revolving loans | 1,072 | 660
Total | 49,634 | 40,862
Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 174,453 | 117,476
2024 / 2023 | 42,997 | 60,929
2023 / 2022 | 39,077 | 44,107
2022 / 2021 | 32,542 | 43,879
2021 / 2020 | 17,221 | 3,261
Prior | 6,268 | 5,860
Revolving loans | 197,701 | 174,635
Total | 510,259 | 450,147
Commercial and industrial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 169,734 | 116,173
2024 / 2023 | 38,321 | 60,404
2023 / 2022 | 36,459 | 43,205
2022 / 2021 | 31,607 | 43,879
2021 / 2020 | 16,918 | 3,145
Prior | 6,016 | 4,863
Revolving loans | 192,310 | 174,181
Total | 491,365 | 445,850
Commercial and industrial | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 3,966 | 1,031
2024 / 2023 | 4,565 | 250
2023 / 2022 | 2,453 | 43
2021 / 2020 | 250 |
Prior | 13 | 228
Revolving loans | 4,437 | 404
Total | 15,684 | 1,956
Commercial and industrial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 753 | 272
2024 / 2023 | 111 | 275
2023 / 2022 | 165 | 859
2022 / 2021 | 935 |
2021 / 2020 | 53 | 116
Prior | 239 | 769
Revolving loans | 954 | 50
Total | 3,210 | 2,341
Agriculture production |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 46,791 | 41,155
2024 / 2023 | 14,245 | 11,348
2023 / 2022 | 5,712 | 4,328
2022 / 2021 | 2,001 | 6,176
2021 / 2020 | 4,363 | 1,965
Prior | 314 | 383
Revolving loans | 132,702 | 110,613
Total | 206,128 | 175,968
Agriculture production | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 43,446 | 40,980
2024 / 2023 | 13,230 | 11,288
2023 / 2022 | 5,631 | 4,115
2022 / 2021 | 1,910 | 6,159
2021 / 2020 | 4,363 | 1,965
Prior | 302 | 229
Revolving loans | 119,345 | 110,396
Total | 188,227 | 175,132
Agriculture production | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 3,319 | 170
2024 / 2023 | 888 | 37
2023 / 2022 |  | 204
2022 / 2021 | 83 |
Prior |  | 127
Revolving loans | 13,357 | 217
Total | 17,647 | 755
Agriculture production | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 26 | 5
2024 / 2023 | 127 | 23
2023 / 2022 | 81 | 9
2022 / 2021 | 8 | 17
Prior | 12 | 27
Total | 254 | 81
Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 29,962 | 30,317
2024 / 2023 | 11,284 | 17,321
2023 / 2022 | 8,342 | 6,558
2022 / 2021 | 3,206 | 2,271
2021 / 2020 | 938 | 467
Prior | 172 | 54
Revolving loans | 1,483 | 2,683
Total | 55,387 | 59,671
Consumer | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 29,912 | 30,317
2024 / 2023 | 11,264 | 17,318
2023 / 2022 | 8,330 | 6,547
2022 / 2021 | 3,189 | 2,268
2021 / 2020 | 938 | 467
Prior | 172 | 54
Revolving loans | 1,483 | 2,683
Total | 55,288 | 59,654
Consumer | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 50 |
2024 / 2023 | 20 | 3
2023 / 2022 | 12 | 11
2022 / 2021 | 17 | 3
Total | 99 | 17
All other loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 2,334 | 1,139
2024 / 2023 | 869 | 644
2023 / 2022 | 245 | 122
2022 / 2021 | 82 | 217
2021 / 2020 | 132 | 43
Prior | 1,440 | 1,816
Total | 5,102 | 3,981
All other loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 2,334 | 1,139
2024 / 2023 | 869 | 644
2023 / 2022 | 245 | 122
2022 / 2021 | 82 | 217
2021 / 2020 | 132 | 43
Prior | 1,440 | 1,816
Total | 5,102 | 3,981
Secured by real estate | 1-4 residential real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 204,668 | 169,297
2024 / 2023 | 111,818 | 158,616
2023 / 2022 | 134,182 | 195,332
2022 / 2021 | 168,417 | 143,300
2021 / 2020 | 127,161 | 66,420
Prior | 133,735 | 93,045
Revolving loans | 112,464 | 99,387
Total | 992,445 | 925,397
Secured by real estate | 1-4 residential real estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 204,048 | 167,734
2024 / 2023 | 110,823 | 157,530
2023 / 2022 | 133,616 | 195,002
2022 / 2021 | 167,711 | 142,721
2021 / 2020 | 126,851 | 66,292
Prior | 132,126 | 92,728
Revolving loans | 112,346 | 99,365
Total | 987,521 | 921,372
Secured by real estate | 1-4 residential real estate | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 620 | 877
2024 / 2023 | 261 | 289
2023 / 2022 | 376 | 87
2022 / 2021 | 360 | 396
2021 / 2020 | 277 | 98
Prior | 250 | 23
Total | 2,144 | 1,770
Secured by real estate | 1-4 residential real estate | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 |  | 686
2024 / 2023 | 734 | 797
2023 / 2022 | 190 | 243
2022 / 2021 | 346 | 183
2021 / 2020 | 33 | 30
Prior | 1,359 | 294
Revolving loans | 118 | 22
Total | 2,780 | 2,255
Secured by real estate | Commercial Real Estate | Non-owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 115,266 | 125,572
2024 / 2023 | 84,817 | 249,077
2023 / 2022 | 233,283 | 320,030
2022 / 2021 | 299,990 | 103,893
2021 / 2020 | 76,522 | 38,134
Prior | 70,869 | 56,594
Revolving loans | 7,570 | 6,470
Total | 888,317 | 899,770
Secured by real estate | Commercial Real Estate | Non-owner occupied | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 115,266 | 120,914
2024 / 2023 | 82,983 | 232,802
2023 / 2022 | 213,647 | 294,138
2022 / 2021 | 273,348 | 102,380
2021 / 2020 | 76,522 | 33,691
Prior | 70,869 | 55,190
Revolving loans | 7,570 | 6,470
Total | 840,205 | 845,585
Secured by real estate | Commercial Real Estate | Non-owner occupied | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 |  | 4,658
2024 / 2023 | 1,770 | 16,232
2023 / 2022 | 15,146 | 209
2022 / 2021 | 213 | 1,513
2021 / 2020 |  | 4,443
Prior |  | 1,404
Total | 17,129 | 28,459
Secured by real estate | Commercial Real Estate | Non-owner occupied | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 / 2023 | 64 | 43
2023 / 2022 | 4,490 | 25,683
2022 / 2021 | 26,429 |
Total | 30,983 | 25,726
Secured by real estate | Commercial Real Estate | Owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 73,909 | 67,736
2024 / 2023 | 60,149 | 105,268
2023 / 2022 | 89,155 | 92,738
2022 / 2021 | 80,930 | 87,129
2021 / 2020 | 73,362 | 25,664
Prior | 44,273 | 27,733
Revolving loans | 21,206 | 21,208
Total | 442,984 | 427,476
Secured by real estate | Commercial Real Estate | Owner occupied | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 72,469 | 63,251
2024 / 2023 | 57,047 | 98,776
2023 / 2022 | 87,899 | 89,361
2022 / 2021 | 79,946 | 86,975
2021 / 2020 | 73,291 | 25,664
Prior | 43,764 | 26,124
Revolving loans | 21,206 | 20,147
Total | 435,622 | 410,298
Secured by real estate | Commercial Real Estate | Owner occupied | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 1,440 | 1,252
2024 / 2023 | 2,234 | 6,492
2023 / 2022 | 287 | 1,178
2022 / 2021 | 83 | 154
Prior | 73 | 1,181
Revolving loans |  | 520
Total | 4,117 | 10,777
Secured by real estate | Commercial Real Estate | Owner occupied | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 |  | 3,233
2024 / 2023 | 868 |
2023 / 2022 | 969 | 2,199
2022 / 2021 | 901 |
2021 / 2020 | 71 |
Prior | 436 | 428
Revolving loans |  | 541
Total | 3,245 | 6,401
Secured by real estate | Multi-family real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 81,229 | 36,518
2024 / 2023 | 19,078 | 157,471
2023 / 2022 | 179,905 | 86,171
2022 / 2021 | 71,239 | 77,545
2021 / 2020 | 56,328 | 21,438
Prior | 13,577 | 5,341
Revolving loans | 1,402 | 80
Total | 422,758 | 384,564
Secured by real estate | Multi-family real estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 79,658 | 36,518
2024 / 2023 | 19,078 | 157,471
2023 / 2022 | 179,905 | 86,171
2022 / 2021 | 69,862 | 77,545
2021 / 2020 | 56,328 | 21,438
Prior | 13,577 | 5,341
Revolving loans | 1,402 | 80
Total | 419,810 | 384,564
Secured by real estate | Multi-family real estate | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 1,571 |
2022 / 2021 | 1,377 |
Total | 2,948 |
Secured by real estate | Construction and land development |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 161,995 | 105,943
2024 / 2023 | 37,891 | 146,480
2023 / 2022 | 117,395 | 27,655
2022 / 2021 | 9,144 | 4,379
2021 / 2020 | 1,829 | 3,887
Prior | 2,131 | 679
Revolving loans | 2,020 | 1,518
Total | 332,405 | 290,541
Secured by real estate | Construction and land development | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 161,995 | 104,162
2024 / 2023 | 32,148 | 143,538
2023 / 2022 | 117,395 | 27,524
2022 / 2021 | 9,144 | 4,379
2021 / 2020 | 1,829 | 3,887
Prior | 1,396 | 679
Revolving loans | 2,020 | 1,518
Total | 325,927 | 285,687
Secured by real estate | Construction and land development | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 |  | 652
2024 / 2023 |  | 2,906
2023 / 2022 |  | 131
Prior | 63 |
Total | 63 | 3,689
Secured by real estate | Construction and land development | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 |  | 1,129
2024 / 2023 | 5,743 | 36
Prior | 672 |
Total | 6,415 | 1,165
Secured by real estate | Agriculture real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 60,268 | 42,037
2024 / 2023 | 27,824 | 46,768
2023 / 2022 | 38,753 | 56,604
2022 / 2021 | 46,209 | 49,617
2021 / 2020 | 41,137 | 10,206
Prior | 11,570 | 9,238
Revolving loans | 19,222 | 18,050
Total | 244,983 | 232,520
Secured by real estate | Agriculture real estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 56,350 | 39,491
2024 / 2023 | 24,526 | 46,387
2023 / 2022 | 36,351 | 56,407
2022 / 2021 | 40,456 | 49,334
2021 / 2020 | 37,094 | 9,947
Prior | 11,570 | 9,238
Revolving loans | 18,747 | 18,003
Total | 225,094 | 228,807
Secured by real estate | Agriculture real estate | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 3,883 | 281
2024 / 2023 | 1,092 | 100
2023 / 2022 | 2,145 | 197
2022 / 2021 | 5,603 |
2021 / 2020 | 4,043 | 259
Revolving loans | 475 |
Total | 17,241 | 837
Secured by real estate | Agriculture real estate | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 / 2024 | 35 | 2,265
2024 / 2023 | 2,206 | 281
2023 / 2022 | 257 |
2022 / 2021 | 150 | 283
Revolving loans |  | 47
Total | $ 2,648 | $ 2,876

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