Loans and Allowance for Credit Losses on Loans - Loan Balances by Internal Credit Quality Indicator (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Jun. 30, 2026 |
Jun. 30, 2025 |
| Commercial Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
$ 30,977
|
$ 11,917
|
| Fiscal year before latest fiscal year |
9,606
|
11,031
|
| Two years before latest fiscal year |
8,897
|
8,157
|
| Three years before latest fiscal year |
6,202
|
10,913
|
| Four years before latest fiscal year |
8,553
|
12,512
|
| Prior |
22,300
|
15,767
|
| Revolving loans amortized cost basis |
54,796
|
46,221
|
| Revolving loans converted to term |
193
|
251
|
| Current period gross charge-offs |
141,524
|
116,769
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
0
|
| Four years before latest fiscal year |
0
|
0
|
| Prior |
28
|
38
|
| Revolving loans amortized cost basis |
59
|
28
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
87
|
66
|
| Commercial Portfolio [Member] | Pass [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
30,977
|
11,917
|
| Fiscal year before latest fiscal year |
9,606
|
11,031
|
| Two years before latest fiscal year |
8,897
|
8,157
|
| Three years before latest fiscal year |
6,194
|
4,584
|
| Four years before latest fiscal year |
3,248
|
12,482
|
| Prior |
21,678
|
15,106
|
| Revolving loans amortized cost basis |
54,646
|
45,905
|
| Revolving loans converted to term |
169
|
68
|
| Current period gross charge-offs |
135,415
|
109,250
|
| Commercial Portfolio [Member] | Special Mention [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
50
|
| Four years before latest fiscal year |
128
|
0
|
| Prior |
96
|
93
|
| Revolving loans amortized cost basis |
0
|
238
|
| Revolving loans converted to term |
0
|
183
|
| Current period gross charge-offs |
224
|
564
|
| Commercial Portfolio [Member] | Substandard [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
8
|
6,279
|
| Four years before latest fiscal year |
5,177
|
30
|
| Prior |
526
|
568
|
| Revolving loans amortized cost basis |
150
|
78
|
| Revolving loans converted to term |
24
|
0
|
| Current period gross charge-offs |
5,885
|
6,955
|
| Residential Real Estate [Member] | Residential Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
38,599
|
42,672
|
| Fiscal year before latest fiscal year |
43,734
|
55,665
|
| Two years before latest fiscal year |
51,900
|
58,277
|
| Three years before latest fiscal year |
51,117
|
85,209
|
| Four years before latest fiscal year |
77,699
|
71,560
|
| Prior |
152,653
|
104,336
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
415,702
|
417,719
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
0
|
| Four years before latest fiscal year |
0
|
44
|
| Prior |
43
|
0
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
43
|
44
|
| Real Estate Mortgage [Member] | Commercial Real Estate Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
137,569
|
192,619
|
| Fiscal year before latest fiscal year |
221,639
|
121,362
|
| Two years before latest fiscal year |
116,318
|
187,886
|
| Three years before latest fiscal year |
177,146
|
229,616
|
| Four years before latest fiscal year |
221,304
|
117,152
|
| Prior |
269,402
|
196,714
|
| Revolving loans amortized cost basis |
2,726
|
3,913
|
| Revolving loans converted to term |
682
|
5,242
|
| Current period gross charge-offs |
1,146,786
|
1,054,504
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
0
|
| Four years before latest fiscal year |
0
|
0
|
| Prior |
0
|
5
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
0
|
5
|
| Real Estate Mortgage [Member] | Commercial Real Estate Portfolio [Member] | Pass [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
137,569
|
192,619
|
| Fiscal year before latest fiscal year |
221,047
|
120,883
|
| Two years before latest fiscal year |
115,271
|
177,469
|
| Three years before latest fiscal year |
165,798
|
228,960
|
| Four years before latest fiscal year |
214,559
|
116,680
|
| Prior |
255,347
|
177,025
|
| Revolving loans amortized cost basis |
2,726
|
3,913
|
| Revolving loans converted to term |
612
|
5,032
|
| Current period gross charge-offs |
1,112,929
|
1,022,581
|
| Real Estate Mortgage [Member] | Commercial Real Estate Portfolio [Member] | Special Mention [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
592
|
479
|
| Two years before latest fiscal year |
1,047
|
1,339
|
| Three years before latest fiscal year |
325
|
656
|
| Four years before latest fiscal year |
749
|
263
|
| Prior |
1,587
|
4,747
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
4,300
|
7,484
|
| Real Estate Mortgage [Member] | Commercial Real Estate Portfolio [Member] | Substandard [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
9,078
|
| Three years before latest fiscal year |
11,023
|
0
|
| Four years before latest fiscal year |
5,996
|
209
|
| Prior |
12,468
|
14,942
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
70
|
210
|
| Current period gross charge-offs |
29,557
|
24,439
|
| Home Equity [Member] | Consumer Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
4,792
|
2,753
|
| Fiscal year before latest fiscal year |
2,109
|
4,761
|
| Two years before latest fiscal year |
3,468
|
2,437
|
| Three years before latest fiscal year |
1,884
|
229
|
| Four years before latest fiscal year |
179
|
315
|
| Prior |
836
|
791
|
| Revolving loans amortized cost basis |
31,673
|
22,667
|
| Revolving loans converted to term |
502
|
150
|
| Current period gross charge-offs |
45,443
|
34,103
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
0
|
| Four years before latest fiscal year |
0
|
0
|
| Prior |
0
|
0
|
| Revolving loans amortized cost basis |
0
|
13
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
0
|
13
|
| Consumer Installment [Member] | Consumer Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
1,623
|
1,633
|
| Fiscal year before latest fiscal year |
855
|
1,371
|
| Two years before latest fiscal year |
739
|
689
|
| Three years before latest fiscal year |
330
|
346
|
| Four years before latest fiscal year |
127
|
149
|
| Prior |
137
|
51
|
| Revolving loans amortized cost basis |
76
|
72
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
3,887
|
4,311
|
| Current fiscal year |
299
|
335
|
| Fiscal year before latest fiscal year |
8
|
40
|
| Two years before latest fiscal year |
43
|
0
|
| Three years before latest fiscal year |
0
|
10
|
| Four years before latest fiscal year |
0
|
1
|
| Prior |
1
|
0
|
| Revolving loans amortized cost basis |
1
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
352
|
386
|
| Performing [Member] | Residential Real Estate [Member] | Residential Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
38,599
|
42,672
|
| Fiscal year before latest fiscal year |
43,734
|
55,665
|
| Two years before latest fiscal year |
51,900
|
58,277
|
| Three years before latest fiscal year |
51,117
|
85,153
|
| Four years before latest fiscal year |
76,934
|
71,560
|
| Prior |
150,612
|
102,127
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
412,896
|
415,454
|
| Performing [Member] | Home Equity [Member] | Consumer Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
4,792
|
2,753
|
| Fiscal year before latest fiscal year |
2,109
|
4,761
|
| Two years before latest fiscal year |
3,468
|
2,437
|
| Three years before latest fiscal year |
1,884
|
229
|
| Four years before latest fiscal year |
179
|
315
|
| Prior |
836
|
791
|
| Revolving loans amortized cost basis |
31,435
|
22,637
|
| Revolving loans converted to term |
502
|
150
|
| Current period gross charge-offs |
45,205
|
34,073
|
| Performing [Member] | Consumer Installment [Member] | Consumer Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
1,623
|
1,631
|
| Fiscal year before latest fiscal year |
855
|
1,371
|
| Two years before latest fiscal year |
739
|
689
|
| Three years before latest fiscal year |
330
|
346
|
| Four years before latest fiscal year |
127
|
149
|
| Prior |
137
|
51
|
| Revolving loans amortized cost basis |
76
|
72
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
3,887
|
4,309
|
| Nonperforming [Member] | Residential Real Estate [Member] | Residential Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
56
|
| Four years before latest fiscal year |
765
|
0
|
| Prior |
2,041
|
2,209
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
2,806
|
2,265
|
| Nonperforming [Member] | Home Equity [Member] | Consumer Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
0
|
0
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
0
|
| Four years before latest fiscal year |
0
|
0
|
| Prior |
0
|
0
|
| Revolving loans amortized cost basis |
238
|
30
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
238
|
30
|
| Nonperforming [Member] | Consumer Installment [Member] | Consumer Portfolio [Member] |
|
|
| Loans and Allowance for Credit Losses on Loans [Abstract] |
|
|
| Current fiscal year |
0
|
2
|
| Fiscal year before latest fiscal year |
0
|
0
|
| Two years before latest fiscal year |
0
|
0
|
| Three years before latest fiscal year |
0
|
0
|
| Four years before latest fiscal year |
0
|
0
|
| Prior |
0
|
0
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term |
0
|
0
|
| Current period gross charge-offs |
$ 0
|
$ 2
|