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LOANS & ALLOWANCE FOR CREDIT LOSSES - SCHEDULE OF LOANS BY AMORTIZED COST BASIS BY YEAR OF ORIGINATION AND CREDIT QUALITY INDICATOR (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | $ 5,412,403 | $ 3,568,319
2024 - 2023 | 2,547,925 | 3,368,194
2023 - 2022 | 2,175,575 | 4,352,535
2022 - 2021 | 2,911,537 | 1,433,787
2021 - 2020 | 1,098,514 | 904,402
Prior | 1,782,450 | 1,732,247
Revolving Loans | 5,623,293 | 4,443,327
Total | 21,551,697 | 19,802,811
Gross charge-offs |  |
Gross charge-offs 2025 - 2024 | 589 | 202
Gross charge-offs 2024 - 2023 | 1,528 | 3,471
Gross charge-offs 2023 - 2022 | 3,332 | 5,212
Gross charge-offs 2022 - 2021 | 3,910 | 1,556
Gross charge-offs 2021 - 2020 | 6,739 | 943
Prior | 12,208 | 525
Revolving Loans | 2,000 | 0
Total | $ 30,306 | $ 11,909
As a % of total gross loans |  |
2025 - 2024 | 25.10% | 18.00%
2024 - 2023 | 11.80% | 17.10%
2023 - 2022 | 10.10% | 22.00%
2022 - 2021 | 13.50% | 7.20%
2021 - 2020 | 5.10% | 4.60%
Prior | 8.30% | 8.70%
Revolving Loans | 26.10% | 22.40%
Total | 100.00% | 100.00%
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | $ 5,406,078 | $ 3,537,144
2024 - 2023 | 2,490,906 | 3,282,691
2023 - 2022 | 2,148,488 | 4,066,317
2022 - 2021 | 2,731,588 | 1,391,702
2021 - 2020 | 1,071,097 | 832,953
Prior | 1,645,380 | 1,611,156
Revolving Loans | 5,489,416 | 4,418,889
Total | 20,982,953 | 19,140,852
Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 2,424 | 31,033
2024 - 2023 | 46,252 | 31,151
2023 - 2022 | 8,948 | 99,288
2022 - 2021 | 3,410 | 20,137
2021 - 2020 | 12,662 | 15,602
Prior | 44,886 | 37,211
Revolving Loans | 19,990 | 5,349
Total | 138,572 | 239,771
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 3,901 | 142
2024 - 2023 | 10,767 | 54,352
2023 - 2022 | 18,139 | 186,930
2022 - 2021 | 166,539 | 21,948
2021 - 2020 | 14,755 | 55,847
Prior | 92,184 | 83,880
Revolving Loans | 113,887 | 19,089
Total | 420,172 | 422,188
Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 0
2023 - 2022 | 0 | 0
2022 - 2021 | 10,000 | 0
2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 10,000 | 0
Single Family - Mortgage & Warehouse |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 752,486 | 522,822
2024 - 2023 | 270,245 | 590,343
2023 - 2022 | 456,692 | 1,231,447
2022 - 2021 | 1,077,539 | 487,797
2021 - 2020 | 446,326 | 312,358
Prior | 782,617 | 777,287
Revolving Loans | 609,373 | 256,778
Total | 4,395,278 | 4,178,832
Gross charge-offs |  |
Gross charge-offs 2025 - 2024 | 0 | 0
Gross charge-offs 2024 - 2023 | 340 | 0
Gross charge-offs 2023 - 2022 | 0 | 0
Gross charge-offs 2022 - 2021 | 400 | 0
Gross charge-offs 2021 - 2020 | 0 | 0
Prior | 2,296 | 172
Revolving Loans | 0 | 0
Total | 3,036 | 172
Single Family - Mortgage & Warehouse | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 750,357 | 491,822
2024 - 2023 | 269,165 | 590,060
2023 - 2022 | 451,330 | 1,200,230
2022 - 2021 | 1,067,144 | 487,132
2021 - 2020 | 434,352 | 291,047
Prior | 715,620 | 720,049
Revolving Loans | 599,406 | 256,778
Total | 4,287,374 | 4,037,118
Single Family - Mortgage & Warehouse | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 2,129 | 31,000
2024 - 2023 | 1,080 | 0
2023 - 2022 | 5,362 | 24,489
2022 - 2021 | 3,140 | 665
2021 - 2020 | 5,254 | 6,591
Prior | 26,604 | 26,873
Revolving Loans | 9,967 | 0
Total | 53,536 | 89,618
Single Family - Mortgage & Warehouse | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 283
2023 - 2022 | 0 | 6,728
2022 - 2021 | 7,255 | 0
2021 - 2020 | 6,720 | 14,720
Prior | 40,393 | 30,365
Revolving Loans | 0 | 0
Total | 54,368 | 52,096
Single Family - Mortgage & Warehouse | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 0
2023 - 2022 | 0 | 0
2022 - 2021 | 0 | 0
2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Multifamily and Commercial Mortgage |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 75,755 | 36,058
2024 - 2023 | 22,435 | 742,977
2023 - 2022 | 644,050 | 1,052,707
2022 - 2021 | 872,388 | 628,284
2021 - 2020 | 429,938 | 560,365
Prior | 894,723 | 841,540
Revolving Loans | 1,450 | 0
Total | 2,940,739 | 3,861,931
Gross charge-offs |  |
Gross charge-offs 2025 - 2024 | 0 | 0
Gross charge-offs 2024 - 2023 | 375 | 0
Gross charge-offs 2023 - 2022 | 86 | 0
Gross charge-offs 2022 - 2021 | 5 | 0
Gross charge-offs 2021 - 2020 | 0 | 640
Prior | 8,099 | 0
Revolving Loans | 0 | 0
Total | 8,565 | 640
Multifamily and Commercial Mortgage | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 75,755 | 36,058
2024 - 2023 | 22,435 | 700,163
2023 - 2022 | 632,120 | 994,004
2022 - 2021 | 859,189 | 595,299
2021 - 2020 | 422,683 | 510,341
Prior | 842,787 | 811,184
Revolving Loans | 1,450 | 0
Total | 2,856,419 | 3,647,049
Multifamily and Commercial Mortgage | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 29,325
2023 - 2022 | 3,400 | 46,194
2022 - 2021 | 0 | 17,478
2021 - 2020 | 7,255 | 9,011
Prior | 18,272 | 10,277
Revolving Loans | 0 | 0
Total | 28,927 | 112,285
Multifamily and Commercial Mortgage | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 13,489
2023 - 2022 | 8,530 | 12,509
2022 - 2021 | 13,199 | 15,507
2021 - 2020 | 0 | 41,013
Prior | 33,664 | 20,079
Revolving Loans | 0 | 0
Total | 55,393 | 102,597
Multifamily and Commercial Mortgage | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 0
2023 - 2022 | 0 | 0
2022 - 2021 | 0 | 0
2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 3,135,530 | 1,952,001
2024 - 2023 | 1,342,372 | 1,424,999
2023 - 2022 | 679,875 | 1,527,795
2022 - 2021 | 585,142 | 226,061
2021 - 2020 | 157,581 | 7,741
Prior | 61,937 | 83,339
Revolving Loans | 974,750 | 866,686
Total | 6,937,187 | 6,088,622
Gross charge-offs |  |
Gross charge-offs 2025 - 2024 | 0 | 0
Gross charge-offs 2024 - 2023 | 0 | 0
Gross charge-offs 2023 - 2022 | 0 | 0
Gross charge-offs 2022 - 2021 | 165 | 0
Gross charge-offs 2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 165 | 0
Commercial Real Estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 3,135,530 | 1,952,001
2024 - 2023 | 1,342,372 | 1,419,399
2023 - 2022 | 679,875 | 1,456,643
2022 - 2021 | 575,642 | 221,061
2021 - 2020 | 152,581 | 7,741
Prior | 47,214 | 53,000
Revolving Loans | 960,145 | 866,686
Total | 6,893,359 | 5,976,531
Commercial Real Estate | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 0
2023 - 2022 | 0 | 27,452
2022 - 2021 | 0 | 0
2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans |  | 0
Total | 0 | 27,452
Commercial Real Estate | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 5,600
2023 - 2022 | 0 | 43,700
2022 - 2021 | 9,500 | 5,000
2021 - 2020 | 5,000 | 0
Prior | 14,723 | 30,339
Revolving Loans | 14,605 | 0
Total | 43,828 | 84,639
Commercial Real Estate | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 0
2023 - 2022 | 0 | 0
2022 - 2021 | 0 | 0
2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Commercial & Industrial - Non-RE |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 1,234,865 | 991,497
2024 - 2023 | 865,186 | 494,500
2023 - 2022 | 319,287 | 361,857
2022 - 2021 | 266,163 | 47,772
2021 - 2020 | 40,976 | 10,422
Prior | 31,300 | 15,855
Revolving Loans | 4,037,720 | 3,319,863
Total | 6,795,497 | 5,241,766
Gross charge-offs |  |
Gross charge-offs 2025 - 2024 | 0 | 0
Gross charge-offs 2024 - 2023 | 0 | 0
Gross charge-offs 2023 - 2022 | 883 | 0
Gross charge-offs 2022 - 2021 | 0 | 0
Gross charge-offs 2021 - 2020 | 5,942 | 0
Prior | 0 | 84
Revolving Loans | 2,000 | 0
Total | 8,825 | 84
Commercial & Industrial - Non-RE | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 1,231,118 | 991,497
2024 - 2023 | 809,347 | 458,454
2023 - 2022 | 310,043 | 238,397
2022 - 2021 | 120,385 | 44,923
2021 - 2020 | 38,397 | 10,422
Prior | 28,311 | 12,867
Revolving Loans | 3,928,415 | 3,295,425
Total | 6,466,016 | 5,051,985
Commercial & Industrial - Non-RE | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 45,120 | 1,613
2023 - 2022 | 0 | 731
2022 - 2021 | 0 | 1,818
2021 - 2020 | 93 | 0
Prior | 0 | 0
Revolving Loans | 10,023 | 5,349
Total | 55,236 | 9,511
Commercial & Industrial - Non-RE | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 3,747 | 0
2024 - 2023 | 10,719 | 34,433
2023 - 2022 | 9,244 | 122,729
2022 - 2021 | 135,778 | 1,031
2021 - 2020 | 2,486 | 0
Prior | 2,989 | 2,988
Revolving Loans | 99,282 | 19,089
Total | 264,245 | 180,270
Commercial & Industrial - Non-RE | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 0
2023 - 2022 | 0 | 0
2022 - 2021 | 10,000 | 0
2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 10,000 | 0
Auto & Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 213,767 | 65,941
2024 - 2023 | 47,687 | 115,375
2023 - 2022 | 75,671 | 178,729
2022 - 2021 | 110,305 | 43,873
2021 - 2020 | 23,693 | 13,516
Prior | 11,873 | 14,226
Revolving Loans | 0 | 0
Total | 482,996 | 431,660
Gross charge-offs |  |
Gross charge-offs 2025 - 2024 | 589 | 202
Gross charge-offs 2024 - 2023 | 813 | 3,471
Gross charge-offs 2023 - 2022 | 2,363 | 5,212
Gross charge-offs 2022 - 2021 | 3,340 | 1,556
Gross charge-offs 2021 - 2020 | 797 | 303
Prior | 1,813 | 269
Revolving Loans | 0 | 0
Total | 9,715 | 11,013
Auto & Consumer | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 213,318 | 65,766
2024 - 2023 | 47,587 | 114,615
2023 - 2022 | 75,120 | 177,043
2022 - 2021 | 109,228 | 43,287
2021 - 2020 | 23,084 | 13,402
Prior | 11,448 | 14,056
Revolving Loans | 0 | 0
Total | 479,785 | 428,169
Auto & Consumer | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 295 | 33
2024 - 2023 | 52 | 213
2023 - 2022 | 186 | 422
2022 - 2021 | 270 | 176
2021 - 2020 | 60 | 0
Prior | 10 | 61
Revolving Loans | 0 | 0
Total | 873 | 905
Auto & Consumer | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 154 | 142
2024 - 2023 | 48 | 547
2023 - 2022 | 365 | 1,264
2022 - 2021 | 807 | 410
2021 - 2020 | 549 | 114
Prior | 415 | 109
Revolving Loans | 0 | 0
Total | 2,338 | 2,586
Auto & Consumer | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2025 - 2024 | 0 | 0
2024 - 2023 | 0 | 0
2023 - 2022 | 0 | 0
2022 - 2021 | 0 | 0
2021 - 2020 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | $ 0 | $ 0

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