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Loans Receivable - Credit-Rating Classification of Loans Receivable (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | $ 951,989 | $ 1,734,134
Originated fiscal year before current fiscal year | 1,697,890 | 997,932
Originated two years before current fiscal year | 967,598 | 378,754
Originated three years before current fiscal year | 353,683 | 396,664
Originated four years before current fiscal year | 357,180 | 379,618
Originated more than five years before current fiscal year | 1,429,252 | 1,455,925
Revolving Loans | 92,884 | 93,549
Total | 5,850,476 | 5,436,576
Commercial loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 4,103,819 | 3,745,866
Commercial loans | Multi-family mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 603,260 | 963,263
Originated fiscal year before current fiscal year | 954,554 | 250,385
Originated two years before current fiscal year | 223,291 | 211,101
Originated three years before current fiscal year | 198,969 | 273,995
Originated four years before current fiscal year | 242,367 | 253,993
Originated more than five years before current fiscal year | 539,334 | 456,353
Revolving Loans | 0 | 0
Total | 2,761,775 | 2,409,090
Commercial loans | Nonresidential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 109,725 | 231,777
Originated fiscal year before current fiscal year | 220,443 | 88,029
Originated two years before current fiscal year | 83,740 | 53,983
Originated three years before current fiscal year | 51,933 | 61,647
Originated four years before current fiscal year | 60,116 | 53,311
Originated more than five years before current fiscal year | 436,617 | 525,039
Revolving Loans | 6,000 | 6,052
Total | 968,574 | 1,019,838
Commercial loans | Commercial business |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 10,364 | 46,888
Originated fiscal year before current fiscal year | 28,644 | 38,829
Originated two years before current fiscal year | 25,304 | 12,536
Originated three years before current fiscal year | 8,317 | 3,767
Originated four years before current fiscal year | 1,967 | 8,381
Originated more than five years before current fiscal year | 12,617 | 7,469
Revolving Loans | 59,648 | 58,937
Total | 146,861 | 176,807
Commercial loans | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 25,070 | 16,407
Originated fiscal year before current fiscal year | 36,389 | 95,526
Originated two years before current fiscal year | 143,086 | 10,337
Originated three years before current fiscal year | 12,275 | 3,039
Originated four years before current fiscal year | 2,961 | 6,509
Originated more than five years before current fiscal year | 1,093 | 2,578
Revolving Loans | 5,735 | 5,735
Total | 226,609 | 140,131
Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 195,521 | 472,160
Originated fiscal year before current fiscal year | 455,046 | 524,163
Originated two years before current fiscal year | 491,460 | 88,645
Originated three years before current fiscal year | 80,431 | 50,604
Originated four years before current fiscal year | 46,989 | 55,139
Originated more than five years before current fiscal year | 431,112 | 454,731
Revolving Loans | 0 | 374
Total | 1,700,559 | 1,645,816
Consumer loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total | 46,098 | 44,894
Consumer loans | Home equity loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 7,682 | 3,197
Originated fiscal year before current fiscal year | 2,567 | 692
Originated two years before current fiscal year | 607 | 1,681
Originated three years before current fiscal year | 1,264 | 3,237
Originated four years before current fiscal year | 2,478 | 2,027
Originated more than five years before current fiscal year | 7,567 | 8,860
Revolving Loans | 21,384 | 22,334
Total | 43,549 | 42,028
Consumer loans | Other consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 367 | 442
Originated fiscal year before current fiscal year | 247 | 308
Originated two years before current fiscal year | 110 | 471
Originated three years before current fiscal year | 494 | 375
Originated four years before current fiscal year | 302 | 258
Originated more than five years before current fiscal year | 912 | 895
Revolving Loans | 117 | 117
Total | 2,549 | 2,866
Pass | Commercial loans | Multi-family mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 603,260 | 963,263
Originated fiscal year before current fiscal year | 954,554 | 250,385
Originated two years before current fiscal year | 213,482 | 211,101
Originated three years before current fiscal year | 198,969 | 264,174
Originated four years before current fiscal year | 226,929 | 248,058
Originated more than five years before current fiscal year | 510,485 | 438,642
Revolving Loans | 0 | 0
Total | 2,707,679 | 2,375,623
Pass | Commercial loans | Nonresidential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 109,725 | 231,777
Originated fiscal year before current fiscal year | 220,443 | 87,309
Originated two years before current fiscal year | 83,032 | 53,983
Originated three years before current fiscal year | 51,933 | 60,714
Originated four years before current fiscal year | 59,197 | 49,285
Originated more than five years before current fiscal year | 414,742 | 491,849
Revolving Loans | 6,000 | 6,052
Total | 945,072 | 980,969
Pass | Commercial loans | Commercial business |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 10,364 | 46,888
Originated fiscal year before current fiscal year | 28,644 | 38,791
Originated two years before current fiscal year | 25,304 | 12,155
Originated three years before current fiscal year | 7,875 | 3,581
Originated four years before current fiscal year | 1,731 | 4,861
Originated more than five years before current fiscal year | 8,776 | 6,455
Revolving Loans | 59,031 | 58,662
Total | 141,725 | 171,393
Pass | Commercial loans | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 25,070 | 16,407
Originated fiscal year before current fiscal year | 36,389 | 95,526
Originated two years before current fiscal year | 143,086 | 10,337
Originated three years before current fiscal year | 12,275 | 3,039
Originated four years before current fiscal year | 2,961 | 6,509
Originated more than five years before current fiscal year | 1,093 | 1,017
Revolving Loans | 5,735 | 5,735
Total | 226,609 | 138,570
Pass | Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 195,521 | 472,160
Originated fiscal year before current fiscal year | 454,504 | 524,163
Originated two years before current fiscal year | 491,460 | 88,645
Originated three years before current fiscal year | 80,431 | 49,316
Originated four years before current fiscal year | 45,741 | 55,139
Originated more than five years before current fiscal year | 422,472 | 442,517
Revolving Loans | 0 | 374
Total | 1,690,129 | 1,632,314
Pass | Consumer loans | Home equity loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 7,682 | 3,197
Originated fiscal year before current fiscal year | 2,567 | 692
Originated two years before current fiscal year | 607 | 1,681
Originated three years before current fiscal year | 1,264 | 3,117
Originated four years before current fiscal year | 2,478 | 2,027
Originated more than five years before current fiscal year | 7,280 | 7,321
Revolving Loans | 21,384 | 22,334
Total | 43,262 | 40,369
Pass | Consumer loans | Other consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 367 | 442
Originated fiscal year before current fiscal year | 247 | 308
Originated two years before current fiscal year | 110 | 471
Originated three years before current fiscal year | 494 | 375
Originated four years before current fiscal year | 302 | 258
Originated more than five years before current fiscal year | 912 | 895
Revolving Loans | 42 | 34
Total | 2,474 | 2,783
Special Mention | Commercial loans | Multi-family mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 6,006 | 0
Originated more than five years before current fiscal year | 6,647 | 6,814
Revolving Loans | 0 | 0
Total | 12,653 | 6,814
Special Mention | Commercial loans | Nonresidential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 378 | 591
Revolving Loans | 0 | 0
Total | 378 | 591
Special Mention | Commercial loans | Commercial business |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 62
Originated three years before current fiscal year | 47 | 186
Originated four years before current fiscal year | 176 | 2,173
Originated more than five years before current fiscal year | 2,456 | 873
Revolving Loans | 371 | 215
Total | 3,050 | 3,509
Special Mention | Commercial loans | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Special Mention | Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 1,205
Originated four years before current fiscal year | 1,168 | 0
Originated more than five years before current fiscal year | 425 | 621
Revolving Loans | 0 | 0
Total | 1,593 | 1,826
Special Mention | Consumer loans | Home equity loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Special Mention | Consumer loans | Other consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Substandard | Commercial loans | Multi-family mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 9,809 | 0
Originated three years before current fiscal year | 0 | 9,821
Originated four years before current fiscal year | 9,432 | 5,935
Originated more than five years before current fiscal year | 22,202 | 10,897
Revolving Loans | 0 | 0
Total | 41,443 | 26,653
Substandard | Commercial loans | Nonresidential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 720
Originated two years before current fiscal year | 708 | 0
Originated three years before current fiscal year | 0 | 933
Originated four years before current fiscal year | 919 | 4,026
Originated more than five years before current fiscal year | 21,497 | 32,599
Revolving Loans | 0 | 0
Total | 23,124 | 38,278
Substandard | Commercial loans | Commercial business |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 38
Originated two years before current fiscal year | 0 | 319
Originated three years before current fiscal year | 395 | 0
Originated four years before current fiscal year | 60 | 1,347
Originated more than five years before current fiscal year | 1,385 | 61
Revolving Loans | 246 | 58
Total | 2,086 | 1,823
Substandard | Commercial loans | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 1,561
Revolving Loans | 0 | 0
Total | 0 | 1,561
Substandard | Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 542 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 83
Originated four years before current fiscal year | 80 | 0
Originated more than five years before current fiscal year | 8,215 | 11,593
Revolving Loans | 0 | 0
Total | 8,837 | 11,676
Substandard | Consumer loans | Home equity loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 120
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 287 | 1,539
Revolving Loans | 0 | 0
Total | 287 | 1,659
Substandard | Consumer loans | Other consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Doubtful | Commercial loans | Multi-family mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Doubtful | Commercial loans | Nonresidential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Doubtful | Commercial loans | Commercial business |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 80
Revolving Loans | 0 | 2
Total | 0 | 82
Doubtful | Commercial loans | Construction |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Doubtful | Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Doubtful | Consumer loans | Home equity loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 0 | 0
Total | 0 | 0
Doubtful | Consumer loans | Other consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Originated current fiscal year | 0 | 0
Originated fiscal year before current fiscal year | 0 | 0
Originated two years before current fiscal year | 0 | 0
Originated three years before current fiscal year | 0 | 0
Originated four years before current fiscal year | 0 | 0
Originated more than five years before current fiscal year | 0 | 0
Revolving Loans | 75 | 83
Total | $ 75 | $ 83

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