v3.26.1
LOANS AND LEASES, NET - Credit Quality Indicator (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Financing Receivable, Credit Quality Indicator [Line Items]          
Total gross loans and leases $ 5,107,841   $ 5,107,841   $ 4,664,908
Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 955,486   955,486   1,068,007
Year two 508,238   508,238   544,490
Year three 229,308   229,308   428,620
Year four 237,312   237,312   238,299
Year five 176,471   176,471   76,450
Prior 137,960   137,960   133,867
Revolving Loans and Leases 1,134,358   1,134,358   1,125,666
Total gross loans and leases 3,379,133   3,379,133   3,615,399
Watch          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 54,016   54,016   81,912
Year two 250,823   250,823   81,624
Year three 115,020   115,020   71,304
Year four 18,090   18,090   20,334
Year five 23,451   23,451   30,632
Prior 33,397   33,397   16,955
Revolving Loans and Leases 363,095   363,095   269,759
Total gross loans and leases 857,892   857,892   572,520
Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 204   204   2,738
Year two 89,775   89,775   70,280
Year three 156,555   156,555   3,985
Year four 48,696   48,696   826
Year five 907   907   11,585
Prior 22,481   22,481   1,147
Revolving Loans and Leases 23,263   23,263   32,096
Total gross loans and leases 341,881   341,881   122,657
Substandard          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 3,392   3,392   37,297
Year two 159,560   159,560   27,842
Year three 24,105   24,105   56,392
Year four 68,979   68,979   23,192
Year five 17,335   17,335   22,373
Prior 55,918   55,918   51,488
Revolving Loans and Leases 40,972   40,972   26,267
Total gross loans and leases 370,261   370,261   244,851
Doubtful          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 39   39   221
Year two 580   580   3,251
Year three 1,455   1,455   2,516
Year four 11,969   11,969   3,854
Year five 3,405   3,405   1,652
Prior 129   129   70
Revolving Loans and Leases 3,636   3,636   2,164
Total gross loans and leases 21,213   21,213   13,728
Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 1,013,137   1,013,137   1,190,175
Year two 1,008,976   1,008,976   727,487
Year three 526,443   526,443   562,817
Year four 385,046   385,046   286,505
Year five 221,569   221,569   142,692
Prior 249,885   249,885   203,527
Revolving Loans and Leases 1,565,324   1,565,324   1,455,952
Total gross loans and leases 4,970,380   4,970,380   4,569,155
National Lending | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, Writeoffs     0   74
Year two, Writeoffs     224   8,762
Year three, Writeoffs     5,898   5,380
Year four, Writeoffs     2,628   3,347
Year five, Writeoffs     1,639   2,051
Prior, Writeoffs     6,668   1,531
Revolving Loans and Leases, Writeoffs     16,192   7,090
Total, Writeoffs     33,249   28,235
National Lending | Term lending          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs 6,178 $ 1,333 14,439 $ 15,916  
National Lending | Term lending | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 824,199   824,199   935,599
Year two 383,074   383,074   399,968
Year three 186,282   186,282   298,678
Year four 138,913   138,913   99,820
Year five 66,517   66,517   43,216
Prior 62,129   62,129   35,971
Revolving Loans and Leases 0   0   0
Total gross loans and leases 1,661,114   1,661,114   1,813,252
National Lending | Term lending | Watch          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 50,369   50,369   65,674
Year two 241,902   241,902   71,326
Year three 79,598   79,598   68,737
Year four 17,860   17,860   7,222
Year five 4,177   4,177   28,882
Prior 29,773   29,773   13,357
Revolving Loans and Leases 0   0   0
Total gross loans and leases 423,679   423,679   255,198
National Lending | Term lending | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   56
Year two 89,136   89,136   68,989
Year three 155,932   155,932   3,762
Year four 48,696   48,696   826
Year five 792   792   11,078
Prior 7,037   7,037   65
Revolving Loans and Leases 0   0   0
Total gross loans and leases 301,593   301,593   84,776
National Lending | Term lending | Substandard          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 3,037   3,037   29,792
Year two 150,890   150,890   24,666
Year three 19,062   19,062   37,845
Year four 52,113   52,113   14,137
Year five 11,611   11,611   16,050
Prior 26,910   26,910   19,995
Revolving Loans and Leases 0   0   0
Total gross loans and leases 263,623   263,623   142,485
National Lending | Term lending | Doubtful          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 270   270   564
Year three 1,291   1,291   774
Year four 11,969   11,969   3,854
Year five 3,405   3,405   1,615
Prior 33   33   22
Revolving Loans and Leases 0   0   0
Total gross loans and leases 16,968   16,968   6,829
National Lending | Term lending | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 877,605   877,605   1,031,121
Year two 865,272   865,272   565,513
Year three 442,165   442,165   409,796
Year four 269,551   269,551   125,859
Year five 86,502   86,502   100,841
Prior 125,882   125,882   69,410
Revolving Loans and Leases 0   0   0
Total gross loans and leases 2,666,977   2,666,977   2,302,540
Year one, Writeoffs     0   0
Year two, Writeoffs     0   7,818
Year three, Writeoffs     5,106   4,492
Year four, Writeoffs     1,048   3,257
Year five, Writeoffs     1,639   991
Prior, Writeoffs     6,646   419
Revolving Loans and Leases, Writeoffs     0   0
Total, Writeoffs     14,439   16,977
National Lending | Asset-based lending          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs 8,617 539 14,702 711  
National Lending | Asset-based lending | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 327,307   327,307   301,128
Total gross loans and leases 327,307   327,307   301,128
National Lending | Asset-based lending | Watch          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 329,098   329,098   233,541
Total gross loans and leases 329,098   329,098   233,541
National Lending | Asset-based lending | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 14,801   14,801   31,702
Total gross loans and leases 14,801   14,801   31,702
National Lending | Asset-based lending | Substandard          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 22,845   22,845   24,730
Total gross loans and leases 22,845   22,845   24,730
National Lending | Asset-based lending | Doubtful          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 3,636   3,636   2,164
Total gross loans and leases 3,636   3,636   2,164
National Lending | Asset-based lending | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 697,687   697,687   593,265
Total gross loans and leases 697,687   697,687   593,265
Year one, Writeoffs     0   0
Year two, Writeoffs     0   0
Year three, Writeoffs     0   0
Year four, Writeoffs     0   0
Year five, Writeoffs     0   0
Prior, Writeoffs     0   0
Revolving Loans and Leases, Writeoffs     14,702   5,611
Total, Writeoffs     14,702   5,611
National Lending | Factoring          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs 1,490 464 1,490 634  
National Lending | Factoring | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 159,440   159,440   179,352
Total gross loans and leases 159,440   159,440   179,352
National Lending | Factoring | Watch          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 33,997   33,997   36,218
Total gross loans and leases 33,997   33,997   36,218
National Lending | Factoring | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 8,462   8,462   394
Total gross loans and leases 8,462   8,462   394
National Lending | Factoring | Substandard          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 18,127   18,127   1,537
Total gross loans and leases 18,127   18,127   1,537
National Lending | Factoring | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 220,026   220,026   217,501
Total gross loans and leases 220,026   220,026   217,501
Year one, Writeoffs     0   0
Year two, Writeoffs     0   0
Year three, Writeoffs     0   0
Year four, Writeoffs     0   0
Year five, Writeoffs     0   0
Prior, Writeoffs     0   0
Revolving Loans and Leases, Writeoffs     1,490   1,479
Total, Writeoffs     1,490   1,479
National Lending | Lease financing          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs 0 344 37 1,426  
National Lending | Lease financing | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 16,676   16,676   43,710
Year two 34,673   34,673   20,259
Year three 13,898   13,898   36,483
Year four 27,993   27,993   2,270
Year five 1,156   1,156   1,089
Prior 2,021   2,021   4,439
Revolving Loans and Leases 0   0   0
Total gross loans and leases 96,417   96,417   108,250
National Lending | Lease financing | Watch          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 1,769   1,769   13,587
Year two 3,559   3,559   5,181
Year three 3,749   3,749   13
Year four 230   230   635
Year five 0   0   1,059
Prior 72   72   0
Revolving Loans and Leases 0   0   0
Total gross loans and leases 9,379   9,379   20,475
National Lending | Lease financing | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   941
Year three 234   234   223
Year four 0   0   0
Year five 115   115   181
Prior 96   96   44
Revolving Loans and Leases 0   0   0
Total gross loans and leases 445   445   1,389
National Lending | Lease financing | Substandard          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   7,190
Year two 3,145   3,145   0
Year three 0   0   5,375
Year four 4,799   4,799   1,377
Year five 670   670   4,088
Prior 5,689   5,689   905
Revolving Loans and Leases 0   0   0
Total gross loans and leases 14,303   14,303   18,935
National Lending | Lease financing | Doubtful          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 39   39   0
Year two 0   0   0
Year three 0   0   150
Year four 0   0   0
Year five 0   0   37
Prior 0   0   0
Revolving Loans and Leases 0   0   0
Total gross loans and leases 39   39   187
National Lending | Lease financing | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 18,484   18,484   64,487
Year two 41,377   41,377   26,381
Year three 17,881   17,881   42,244
Year four 33,022   33,022   4,282
Year five 1,941   1,941   6,454
Prior 7,878   7,878   5,388
Revolving Loans and Leases 0   0   0
Total gross loans and leases 120,583   120,583   149,236
Year one, Writeoffs     0   0
Year two, Writeoffs     0   0
Year three, Writeoffs     0   320
Year four, Writeoffs     15   0
Year five, Writeoffs     0   1,005
Prior, Writeoffs     22   101
Revolving Loans and Leases, Writeoffs     0   0
Total, Writeoffs     37   1,426
National Lending | Insurance premium finance          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs       93  
National Lending | Insurance premium finance | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, Writeoffs         0
Year two, Writeoffs         62
Year three, Writeoffs         31
Year four, Writeoffs         0
Year five, Writeoffs         0
Prior, Writeoffs         0
Revolving Loans and Leases, Writeoffs         0
Total, Writeoffs         93
National Lending | SBA/USDA          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs 124 421 2,581 1,327  
National Lending | SBA/USDA | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 112,711   112,711   79,928
Year two 82,731   82,731   61,063
Year three 29,128   29,128   93,459
Year four 70,406   70,406   136,075
Year five 108,798   108,798   19,674
Prior 34,369   34,369   30,962
Revolving Loans and Leases 0   0   0
Total gross loans and leases 438,143   438,143   421,161
National Lending | SBA/USDA | Watch          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 1,878   1,878   2,651
Year two 5,362   5,362   5,117
Year three 31,673   31,673   136
Year four 0   0   12,477
Year five 19,274   19,274   691
Prior 3,552   3,552   3,598
Revolving Loans and Leases 0   0   0
Total gross loans and leases 61,739   61,739   24,670
National Lending | SBA/USDA | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 204   204   2,682
Year two 639   639   350
Year three 389   389   0
Year four 0   0   0
Year five 0   0   326
Prior 15,348   15,348   1,038
Revolving Loans and Leases 0   0   0
Total gross loans and leases 16,580   16,580   4,396
National Lending | SBA/USDA | Substandard          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 355   355   315
Year two 5,525   5,525   3,176
Year three 5,043   5,043   12,721
Year four 11,658   11,658   7,678
Year five 5,054   5,054   2,235
Prior 23,319   23,319   30,588
Revolving Loans and Leases 0   0   0
Total gross loans and leases 50,954   50,954   56,713
National Lending | SBA/USDA | Doubtful          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   221
Year two 310   310   2,687
Year three 164   164   1,592
Year four 0   0   0
Year five 0   0   0
Prior 96   96   48
Revolving Loans and Leases 0   0   0
Total gross loans and leases 570   570   4,548
National Lending | SBA/USDA | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 115,148   115,148   85,797
Year two 94,567   94,567   72,393
Year three 66,397   66,397   107,908
Year four 82,064   82,064   156,230
Year five 133,126   133,126   22,926
Prior 76,684   76,684   66,234
Revolving Loans and Leases 0   0   0
Total gross loans and leases 567,986   567,986   511,488
Year one, Writeoffs     0   74
Year two, Writeoffs     224   882
Year three, Writeoffs     792   537
Year four, Writeoffs     1,565   90
Year five, Writeoffs     0   55
Prior, Writeoffs     0   1,011
Revolving Loans and Leases, Writeoffs     0   0
Total, Writeoffs     2,581   2,649
National Lending | Other commercial finance          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs 0 0 0 0  
National Lending | Other commercial finance | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 1,900   1,900   8,770
Year two 7,760   7,760   63,200
Year three 0   0   0
Year four 0   0   134
Year five 0   0   12,471
Prior 39,441   39,441   62,495
Revolving Loans and Leases 0   0   0
Total gross loans and leases 49,101   49,101   147,070
National Lending | Other commercial finance | Watch          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one         0
Year two         0
Year three         2,418
Year four         0
Year five         0
Prior         0
Revolving Loans and Leases         0
Total gross loans and leases         2,418
National Lending | Other commercial finance | Substandard          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   451
Year four 409   409   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 0   0   0
Total gross loans and leases 409   409   451
National Lending | Other commercial finance | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 1,900   1,900   8,770
Year two 7,760   7,760   63,200
Year three 0   0   2,869
Year four 409   409   134
Year five 0   0   12,471
Prior 39,441   39,441   62,495
Revolving Loans and Leases 0   0   0
Total gross loans and leases 49,510   49,510   149,939
Year one, Writeoffs     0   0
Year two, Writeoffs     0   0
Year three, Writeoffs     0   0
Year four, Writeoffs     0   0
Year five, Writeoffs     0   0
Prior, Writeoffs     0   0
Revolving Loans and Leases, Writeoffs     0   0
Total, Writeoffs     0   0
National Lending | Warehouse finance          
Financing Receivable, Credit Quality Indicator [Line Items]          
Total, Writeoffs 0 $ 0 0 $ 0  
National Lending | Warehouse finance | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 647,611   647,611   645,186
Total gross loans and leases 647,611   647,611   645,186
National Lending | Warehouse finance | Total          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans and Leases 647,611   647,611   645,186
Total gross loans and leases $ 647,611   647,611   645,186
Year one, Writeoffs     0   0
Year two, Writeoffs     0   0
Year three, Writeoffs     0   0
Year four, Writeoffs     0   0
Year five, Writeoffs     0   0
Prior, Writeoffs     0   0
Revolving Loans and Leases, Writeoffs     0   0
Total, Writeoffs     $ 0   $ 0