v3.26.1
Loans Receivable And Allowance For Loan Losses: Past Due Status of Loans (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable $ 1,520,299 $ 1,487,209
Loans receivable, Non-Accrual [1] 8,556 4,407
Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,520,299 1,487,209
Origination Year One 140,933 160,257
Origination Year Two 184,602 140,484
Origination Year Three 108,488 237,223
Origination Year Four 200,543 320,105
Origination Year Five 289,514 170,962
Prior 504,291 370,970
Revolving Loans 91,928 87,208
Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 43,179 27,045
Origination Year One 0 0
Origination Year Two 3,044 3,875
Origination Year Three 6,259 5,855
Origination Year Four 4,605 2,391
Origination Year Five 3,694 1,881
Prior 24,188 13,043
Revolving Loans 1,389 0
One-to four-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 299,921 317,691
Loans receivable, Non-Accrual [1] 1,930 1,781
One-to four-family | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 299,921 317,691
Origination Year One 2,993 10,885
Origination Year Two 15,596 25,692
Origination Year Three 30,008 80,974
Origination Year Four 66,098 107,788
Origination Year Five 98,819 45,274
Prior 86,407 47,078
Revolving Loans 0 0
One-to four-family | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 2,494  
Origination Year One 0  
Origination Year Two 0  
Origination Year Three 0  
Origination Year Four 545  
Origination Year Five 1,681  
Prior 268  
Revolving Loans 0  
Multi-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 214,583 207,767
Loans receivable, Non-Accrual [1] 0 0
Multi-family | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 214,583 207,767
Origination Year One 17,238 16,305
Origination Year Two 16,165 13,129
Origination Year Three 13,088 40,004
Origination Year Four 34,845 39,064
Origination Year Five 38,583 32,151
Prior 92,956 65,780
Revolving Loans 1,708 1,334
Multi-family | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 11,003 3,264
Origination Year One 0 0
Origination Year Two 0 0
Origination Year Three 0 0
Origination Year Four 0 0
Origination Year Five 0 0
Prior 11,003 3,264
Revolving Loans 0 0
Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 646,376 610,692
Loans receivable, Non-Accrual [1] 4,534 159
Commercial real estate | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 646,376 610,692
Origination Year One 54,836 47,145
Origination Year Two 53,455 25,419
Origination Year Three 24,897 79,692
Origination Year Four 77,555 123,869
Origination Year Five 121,546 82,507
Prior 306,304 241,848
Revolving Loans 7,783 10,212
Commercial real estate | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 12,971 9,545
Origination Year One 0 0
Origination Year Two 0 0
Origination Year Three 767 0
Origination Year Four 0 238
Origination Year Five 0 0
Prior 12,204 9,307
Revolving Loans 0 0
Construction-custom & owner/builder (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 68,746 80,718
Loans receivable, Non-Accrual [1] 0 553
Construction-custom & owner/builder (1) | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 68,746 80,718
Origination Year One 18,681 32,733
Origination Year Two 39,042 37,660
Origination Year Three 5,244 5,927
Origination Year Four 4,060 2,408
Origination Year Five 1,719 1,990
Prior 0 0
Revolving Loans 0 0
Construction-custom & owner/builder (1) | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 13,883 12,329
Origination Year One 0 0
Origination Year Two 2,860 3,875
Origination Year Three 5,244 5,367
Origination Year Four 4,060 1,855
Origination Year Five 1,719 1,232
Prior 0 0
Revolving Loans 0 0
Construction-speculative one-to four-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 12,901 6,923
Loans receivable, Non-Accrual [1] 0 0
Construction-speculative one-to four-family (1) | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 12,901 6,923
Origination Year One 11,284 6,375
Origination Year Two 1,617 16
Origination Year Three 0 532
Origination Year Four 0 0
Origination Year Five 0 0
Prior 0 0
Revolving Loans 0 0
Construction-speculative one-to four-family (1) | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   488
Origination Year One   0
Origination Year Two   0
Origination Year Three   488
Origination Year Four   0
Origination Year Five   0
Prior   0
Revolving Loans   0
Construction-commercial (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 11,906 15,734
Loans receivable, Non-Accrual [1] 0 0
Construction-commercial (1) | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 11,906 15,734
Origination Year One 1,773 10,284
Origination Year Two 7,033 2,725
Origination Year Three 3,100 2,725
Origination Year Four 0 0
Origination Year Five 0 0
Prior 0 0
Revolving Loans 0 0
Construction-multi-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 52,300 18,688
Loans receivable, Non-Accrual [1] 0 0
Construction-multi-family (1) | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 52,300 18,688
Origination Year One 14,558 11,084
Origination Year Two 29,942 7,604
Origination Year Three 7,800 0
Origination Year Four 0 0
Origination Year Five 0 0
Prior 0 0
Revolving Loans 0 0
Construction-land development (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 412 13,536
Loans receivable, Non-Accrual [1] 0 0
Construction-land development (1) | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 412 13,536
Origination Year One 412 0
Origination Year Two 0 358
Origination Year Three 0 1,629
Origination Year Four 0 11,549
Origination Year Five 0 0
Prior 0 0
Revolving Loans 0 0
Land    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 37,416 35,952
Loans receivable, Non-Accrual [1] 0 0
Land | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 37,416 35,952
Origination Year One 9,731 11,667
Origination Year Two 7,562 9,393
Origination Year Three 8,558 3,741
Origination Year Four 2,214 6,103
Origination Year Five 4,850 1,951
Prior 4,122 2,794
Revolving Loans 379 303
Land | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 974 753
Origination Year One 0 0
Origination Year Two 0 0
Origination Year Three 248 0
Origination Year Four 0 298
Origination Year Five 294 0
Prior 432 455
Revolving Loans 0 0
Home equity and second mortgage    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 54,971 50,479
Loans receivable, Non-Accrual [1] 452 602
Home equity and second mortgage | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 54,971 50,479
Origination Year One 1,484 2,528
Origination Year Two 2,095 5,154
Origination Year Three 3,904 3,574
Origination Year Four 2,768 1,556
Origination Year Five 1,270 237
Prior 2,517 2,179
Revolving Loans 40,933 35,251
Home equity and second mortgage | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 196 10
Origination Year One 0 0
Origination Year Two 184 0
Origination Year Three 0 0
Origination Year Four 0 0
Origination Year Five 0 0
Prior 12 10
Revolving Loans 0 0
Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,915 2,034
Loans receivable, Non-Accrual [1] 20 22
Consumer loans, other | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,915 2,034
Origination Year One 732 565
Origination Year Two 35 459
Origination Year Three 431 390
Origination Year Four 358 82
Origination Year Five 67 48
Prior 241 430
Revolving Loans 51 60
Consumer loans, other | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   7
Origination Year One   0
Origination Year Two   0
Origination Year Three   0
Origination Year Four   0
Origination Year Five   0
Prior   7
Revolving Loans   0
Commercial business    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 118,852 126,937
Loans receivable, Non-Accrual [1] 1,620 1,290
Commercial business | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 118,852 126,937
Origination Year One 7,211 10,686
Origination Year Two 12,060 12,875
Origination Year Three 11,458 18,035
Origination Year Four 12,645 27,686
Origination Year Five 22,660 6,746
Prior 11,744 10,861
Revolving Loans 41,074 40,048
Commercial business | Consumer loans, other | Watch    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,658 649
Origination Year One 0 0
Origination Year Two 0 0
Origination Year Three 0 0
Origination Year Four 0 0
Origination Year Five 0 649
Prior 269 0
Revolving Loans 1,389 0
SBA PPP    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   58
Loans receivable, Non-Accrual [1]   0
SBA PPP | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   58
Origination Year One   0
Origination Year Two   0
Origination Year Three   0
Origination Year Four   0
Origination Year Five   58
Prior   0
Revolving Loans   0
30 to 59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 18 374
30 to 59 Days Past Due | One-to four-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Multi-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 18 0
30 to 59 Days Past Due | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Construction-custom & owner/builder (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Construction-speculative one-to four-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Construction-commercial (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Construction-multi-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Construction-land development (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Land    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Home equity and second mortgage    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
30 to 59 Days Past Due | Commercial business    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 374
30 to 59 Days Past Due | SBA PPP    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   0
60 to 89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 134 876
60 to 89 Days Past Due | One-to four-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 210
60 to 89 Days Past Due | Multi-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 255
60 to 89 Days Past Due | Construction-custom & owner/builder (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Construction-speculative one-to four-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Construction-commercial (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Construction-multi-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Construction-land development (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Land    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Home equity and second mortgage    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 411
60 to 89 Days Past Due | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
60 to 89 Days Past Due | Commercial business    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 134 0
60 to 89 Days Past Due | SBA PPP    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   0
Past Due 90 Days or More and Still Accruing    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | One-to four-family    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Multi-family    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Construction-custom & owner/builder (1)    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Construction-speculative one-to four-family (1)    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Construction-commercial (1)    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Construction-multi-family (1)    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Construction-land development (1)    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Land    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Home equity and second mortgage    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | Commercial business    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing 0 0
Past Due 90 Days or More and Still Accruing | SBA PPP    
Financing Receivable, Past Due [Line Items]    
Past Due 90 Days or More and Still Accruing   0
Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 8,708 5,657
Financial Asset, Past Due | One-to four-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,930 1,991
Financial Asset, Past Due | Multi-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 18 0
Financial Asset, Past Due | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 4,534 414
Financial Asset, Past Due | Construction-custom & owner/builder (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 553
Financial Asset, Past Due | Construction-speculative one-to four-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
Financial Asset, Past Due | Construction-commercial (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
Financial Asset, Past Due | Construction-multi-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
Financial Asset, Past Due | Construction-land development (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
Financial Asset, Past Due | Land    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 0 0
Financial Asset, Past Due | Home equity and second mortgage    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 452 1,013
Financial Asset, Past Due | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 20 22
Financial Asset, Past Due | Commercial business    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,754 1,664
Financial Asset, Past Due | SBA PPP    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   0
Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,511,591 1,481,552
Financial Asset, Not Past Due | One-to four-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 297,991 315,700
Financial Asset, Not Past Due | Multi-family    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 214,565 207,767
Financial Asset, Not Past Due | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 641,842 610,278
Financial Asset, Not Past Due | Construction-custom & owner/builder (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 68,746 80,165
Financial Asset, Not Past Due | Construction-speculative one-to four-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 12,901 6,923
Financial Asset, Not Past Due | Construction-commercial (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 11,906 15,734
Financial Asset, Not Past Due | Construction-multi-family (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 52,300 18,688
Financial Asset, Not Past Due | Construction-land development (1)    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 412 13,536
Financial Asset, Not Past Due | Land    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 37,416 35,952
Financial Asset, Not Past Due | Home equity and second mortgage    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 54,519 49,466
Financial Asset, Not Past Due | Consumer loans, other    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable 1,895 2,012
Financial Asset, Not Past Due | Commercial business    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable $ 117,098 125,273
Financial Asset, Not Past Due | SBA PPP    
Financing Receivable, Past Due [Line Items]    
Total Loans Receivable   $ 58
[1] Includes loans past due 90 days or more and other loans classified as non-accrual.
(2) Net of construction LIP.