Loans Receivable And Allowance For Credit Losses (Delinquent Loans) (Details) - USD ($) $ in Thousands |
Mar. 31, 2025 |
Sep. 30, 2024 |
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
$ 386,833
|
$ 639,789
|
Year Two |
599,582
|
1,096,101
|
Year Three |
1,109,648
|
1,372,917
|
Year Four |
1,272,455
|
1,529,818
|
Year Five |
1,459,467
|
827,047
|
Prior Years |
2,956,112
|
2,339,984
|
Revolving Line of Credit |
107,804
|
118,360
|
Revolving Line of Credit Converted to Term Loan |
7,974
|
6,357
|
Total Amortized Cost |
7,899,875
|
7,930,373
|
Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
7,875,826
|
7,904,743
|
Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
14,459
|
16,049
|
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
9,590
|
9,581
|
One- to Four-Family Segment [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
108,626
|
242,563
|
Year Two |
239,370
|
652,822
|
Year Three |
628,095
|
1,063,977
|
Year Four |
1,023,569
|
1,383,986
|
Year Five |
1,331,081
|
749,865
|
Prior Years |
2,798,139
|
2,223,566
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
6,128,880
|
6,316,779
|
One- to Four-Family Segment [Member] | Originated [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
3,866,343
|
3,950,046
|
One- to Four-Family Segment [Member] | Originated [Member] | Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
108,626
|
241,765
|
Year Two |
238,270
|
326,211
|
Year Three |
312,625
|
578,430
|
Year Four |
556,427
|
811,455
|
Year Five |
777,828
|
521,550
|
Prior Years |
1,861,709
|
1,459,500
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
3,855,485
|
3,938,911
|
One- to Four-Family Segment [Member] | Originated [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
314
|
64
|
Year Three |
294
|
1,074
|
Year Four |
953
|
638
|
Year Five |
418
|
1,666
|
Prior Years |
6,073
|
5,422
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
8,052
|
8,864
|
One- to Four-Family Segment [Member] | Originated [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
170
|
Year Three |
0
|
49
|
Year Four |
84
|
0
|
Year Five |
524
|
601
|
Prior Years |
2,198
|
1,451
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
2,806
|
2,271
|
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
2,142,220
|
2,239,143
|
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] | Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
798
|
Year Two |
786
|
326,377
|
Year Three |
314,901
|
482,598
|
Year Four |
465,701
|
571,182
|
Year Five |
551,531
|
226,048
|
Prior Years |
804,342
|
624,961
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
2,137,261
|
2,231,964
|
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
0
|
Year Three |
0
|
164
|
Year Four |
241
|
446
|
Year Five |
515
|
0
|
Prior Years |
2,209
|
2,479
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
2,965
|
3,089
|
One- to Four-Family Segment [Member] | Correspondent Purchased [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
0
|
Year Three |
275
|
1,662
|
Year Four |
163
|
265
|
Year Five |
265
|
0
|
Prior Years |
1,291
|
2,163
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
1,994
|
4,090
|
One- to Four-Family Segment [Member] | Bulk Purchased [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
120,317
|
127,590
|
One- to Four-Family Segment [Member] | Bulk Purchased [Member] | Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
0
|
Year Three |
0
|
0
|
Year Four |
0
|
0
|
Year Five |
0
|
0
|
Prior Years |
119,513
|
125,982
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
119,513
|
125,982
|
One- to Four-Family Segment [Member] | Bulk Purchased [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
0
|
Year Three |
0
|
0
|
Year Four |
0
|
0
|
Year Five |
0
|
0
|
Prior Years |
181
|
69
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
181
|
69
|
One- to Four-Family Segment [Member] | Bulk Purchased [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
0
|
Year Three |
0
|
0
|
Year Four |
0
|
0
|
Year Five |
0
|
0
|
Prior Years |
623
|
1,539
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
623
|
1,539
|
Commercial Segment [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
272,487
|
385,703
|
Year Two |
351,211
|
436,131
|
Year Three |
475,613
|
302,624
|
Year Four |
243,525
|
144,010
|
Year Five |
126,782
|
76,263
|
Prior Years |
155,395
|
114,172
|
Revolving Line of Credit |
37,195
|
44,829
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
1,662,208
|
1,503,732
|
Commercial Segment [Member] | Commercial Real Estate [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
1,526,318
|
1,374,054
|
Commercial Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
258,792
|
338,511
|
Year Two |
312,139
|
403,193
|
Year Three |
446,201
|
284,493
|
Year Four |
227,779
|
135,932
|
Year Five |
120,081
|
74,266
|
Prior Years |
147,948
|
110,448
|
Revolving Line of Credit |
7,591
|
23,055
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
1,520,531
|
1,369,898
|
Commercial Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
229
|
Year Two |
0
|
807
|
Year Three |
0
|
0
|
Year Four |
0
|
3
|
Year Five |
0
|
0
|
Prior Years |
2,471
|
1,094
|
Revolving Line of Credit |
0
|
860
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
2,471
|
2,993
|
Commercial Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
142
|
19
|
Year Three |
490
|
0
|
Year Four |
0
|
0
|
Year Five |
111
|
647
|
Prior Years |
2,523
|
497
|
Revolving Line of Credit |
50
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
3,316
|
1,163
|
Commercial Segment [Member] | Commercial and Industrial [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
135,890
|
129,678
|
Commercial Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
13,695
|
46,736
|
Year Two |
38,704
|
32,112
|
Year Three |
28,922
|
17,990
|
Year Four |
15,746
|
8,052
|
Year Five |
6,590
|
1,350
|
Prior Years |
2,371
|
2,051
|
Revolving Line of Credit |
29,137
|
20,914
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
135,165
|
129,205
|
Commercial Segment [Member] | Commercial and Industrial [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
227
|
Year Two |
0
|
0
|
Year Three |
0
|
141
|
Year Four |
0
|
23
|
Year Five |
0
|
0
|
Prior Years |
0
|
0
|
Revolving Line of Credit |
348
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
348
|
391
|
Commercial Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
226
|
0
|
Year Three |
0
|
0
|
Year Four |
0
|
0
|
Year Five |
0
|
0
|
Prior Years |
82
|
82
|
Revolving Line of Credit |
69
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
377
|
82
|
Consumer Segment [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
5,720
|
11,523
|
Year Two |
9,001
|
7,148
|
Year Three |
5,940
|
6,316
|
Year Four |
5,361
|
1,822
|
Year Five |
1,604
|
919
|
Prior Years |
2,578
|
2,246
|
Revolving Line of Credit |
70,609
|
73,531
|
Revolving Line of Credit Converted to Term Loan |
7,974
|
6,357
|
Total Amortized Cost |
108,787
|
109,862
|
Consumer Segment [Member] | Home Equity [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
99,353
|
100,247
|
Consumer Segment [Member] | Home Equity [Member] | Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
2,988
|
7,331
|
Year Two |
6,142
|
4,378
|
Year Three |
4,052
|
4,540
|
Year Four |
4,129
|
1,437
|
Year Five |
1,337
|
814
|
Prior Years |
2,336
|
2,133
|
Revolving Line of Credit |
69,745
|
72,721
|
Revolving Line of Credit Converted to Term Loan |
7,862
|
6,084
|
Total Amortized Cost |
98,591
|
99,438
|
Consumer Segment [Member] | Home Equity [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
0
|
Year Three |
15
|
35
|
Year Four |
14
|
0
|
Year Five |
0
|
0
|
Prior Years |
153
|
0
|
Revolving Line of Credit |
155
|
349
|
Revolving Line of Credit Converted to Term Loan |
24
|
87
|
Total Amortized Cost |
361
|
471
|
Consumer Segment [Member] | Home Equity [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
0
|
Year Two |
0
|
19
|
Year Three |
0
|
0
|
Year Four |
0
|
0
|
Year Five |
0
|
0
|
Prior Years |
3
|
18
|
Revolving Line of Credit |
310
|
115
|
Revolving Line of Credit Converted to Term Loan |
88
|
186
|
Total Amortized Cost |
401
|
338
|
Consumer Segment [Member] | Other [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total Amortized Cost |
9,434
|
9,615
|
Consumer Segment [Member] | Other [Member] | Financial Asset, Not Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
2,721
|
4,109
|
Year Two |
2,801
|
2,728
|
Year Three |
1,858
|
1,641
|
Year Four |
1,210
|
327
|
Year Five |
209
|
101
|
Prior Years |
84
|
95
|
Revolving Line of Credit |
397
|
344
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
9,280
|
9,345
|
Consumer Segment [Member] | Other [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
11
|
3
|
Year Two |
8
|
9
|
Year Three |
1
|
100
|
Year Four |
1
|
58
|
Year Five |
58
|
0
|
Prior Years |
0
|
0
|
Revolving Line of Credit |
2
|
2
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
81
|
172
|
Consumer Segment [Member] | Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Year One |
0
|
80
|
Year Two |
50
|
14
|
Year Three |
14
|
0
|
Year Four |
7
|
0
|
Year Five |
0
|
4
|
Prior Years |
2
|
0
|
Revolving Line of Credit |
0
|
0
|
Revolving Line of Credit Converted to Term Loan |
0
|
0
|
Total Amortized Cost |
$ 73
|
$ 98
|