v3.26.1
Loans Receivable and Allowance for Credit Losses (Summary of Loans Receivable by Credit Quality Risk Rating Indicator- Current Year) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 $ 630,595 $ 2,927,998
2025 2,857,744 1,651,337
2024 1,728,086 2,224,929
2023 2,117,116 3,243,133
2022 3,083,639 2,001,939
Prior to 2022 7,333,920 5,686,689
Revolving Loans 1,826,096 1,691,284
Revolving loans to term loans 81,611 88,204
Total gross loans 19,658,807 19,515,513
Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 25,605 19,268
2025 17,554 12,955
2024 8,369 47,548
2023 47,566 172,607
2022 185,712 125,560
Prior to 2022 333,941 209,674
Revolving Loans 44,939 59,733
Revolving loans to term loans 3,529 3,472
Total gross loans 667,215 650,817
Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 17,510 7,018
2025 8,306 423
2024 1,063 34,942
2023 13,171 112,953
2022 64,695 74,136
Prior to 2022 152,820 70,652
Revolving Loans 15,171 21,526
Revolving loans to term loans 2,085 1,939
Total gross loans 274,821 323,589
Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 8,095 12,250
2025 9,248 12,532
2024 7,306 12,606
2023 34,395 59,654
2022 121,017 51,424
Prior to 2022 181,121 139,022
Revolving Loans 29,768 38,207
Revolving loans to term loans 1,444 1,533
Total gross loans 392,394 327,228
Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 604,990 2,908,730
2025 2,840,190 1,638,382
2024 1,719,717 2,177,381
2023 2,069,550 3,070,526
2022 2,897,927 1,876,379
Prior to 2022 6,999,979 5,477,015
Revolving Loans 1,781,157 1,631,551
Revolving loans to term loans 78,082 84,732
Total gross loans 18,991,592 18,864,696
Commercial    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 179,870 917,773
2025 916,257 336,732
2024 448,959 1,449,216
2023 851,309 951,729
2022 1,360,965 2,724,348
Prior to 2022 3,491,212 2,184,041
Revolving Loans 166,254 157,466
Revolving loans to term loans 8,826 8,896
Total gross loans 7,423,652 7,398,792
Commercial | Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 15,882
2025 12,787 0
2024 0 1,606
2023 1,592 39,758
2022 37,089 63,680
Prior to 2022 157,542 94,082
Revolving Loans 751 1,251
Revolving loans to term loans 0 0
Total gross loans 209,761 216,259
Commercial | Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 6,013
2025 7,014 0
2024 0 1,549
2023 1,541 39,287
2022 31,738 47,805
Prior to 2022 92,019 33,971
Revolving Loans 3 503
Revolving loans to term loans 0 0
Total gross loans 132,315 129,128
Commercial | Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 9,869
2025 5,773 0
2024 0 57
2023 51 471
2022 5,351 15,875
Prior to 2022 65,523 60,111
Revolving Loans 748 748
Revolving loans to term loans 0 0
Total gross loans 77,446 87,131
Commercial | Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Commercial | Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Commercial | Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 179,870 901,891
2025 903,470 336,732
2024 448,959 851,026
2023 849,717 1,409,458
2022 1,323,876 888,049
Prior to 2022 3,333,670 2,630,266
Revolving Loans 165,503 156,215
Revolving loans to term loans 8,826 8,896
Total gross loans 7,213,891 7,182,533
Multi-family    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 133,915 744,514
2025 730,596 316,398
2024 326,059 522,511
2023 537,064 625,184
2022 575,621 350,499
Prior to 2022 1,405,107 1,091,469
Revolving Loans 14,372 15,250
Revolving loans to term loans 1,502 1,512
Total gross loans 3,724,236 3,667,337
Multi-family | Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 2,138 2,946
2022 2,965 0
Prior to 2022 39,447 41,593
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 44,550 44,539
Multi-family | Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 2,138 2,946
2022 2,965 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 5,103 2,946
Multi-family | Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 39,447 41,593
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 39,447 41,593
Multi-family | Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Multi-family | Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Multi-family | Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 133,915 744,514
2025 730,596 316,398
2024 326,059 522,511
2023 534,926 622,238
2022 572,656 350,499
Prior to 2022 1,365,660 1,049,876
Revolving Loans 14,372 15,250
Revolving loans to term loans 1,502 1,512
Total gross loans 3,679,686 3,622,798
Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 39,536 150,350
2025 188,197 206,323
2024 205,066 177,254
2023 106,339 107,974
2022 83,702 20,211
Prior to 2022 18,089 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 640,929 662,112
Construction | Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 15,496 0
2025 0 0
2024 0 14,497
2023 0 6,639
2022 6,639 5,177
Prior to 2022 4,385 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 26,520 26,313
Construction | Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 15,496 0
2025 0 0
2024 0 14,497
2023 0 6,639
2022 6,639 0
Prior to 2022 1,089 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 23,224 21,136
Construction | Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 5,177
Prior to 2022 3,296 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 3,296 5,177
Construction | Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Construction | Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Construction | Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 24,040 150,350
2025 188,197 206,323
2024 205,066 162,757
2023 106,339 101,335
2022 77,063 15,034
Prior to 2022 13,704 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 614,409 635,799
Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 18,849 145,286
2025 153,988 126,019
2024 122,931 306,329
2023 300,931 367,315
2022 361,711 288,355
Prior to 2022 1,002,451 741,020
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 1,960,861 1,974,324
Residential | Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 1,746
2024 1,731 3,209
2023 4,185 1,992
2022 2,127 1,288
Prior to 2022 6,275 3,640
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 14,318 11,875
Residential | Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 645 946
2023 835 582
2022 1,267 264
Prior to 2022 3,799 1,845
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 6,546 3,637
Residential | Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 1,746
2024 1,086 2,263
2023 3,350 1,410
2022 860 1,024
Prior to 2022 2,476 1,795
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 7,772 8,238
Residential | Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Residential | Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Residential | Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 18,849 145,286
2025 153,988 124,273
2024 121,200 303,120
2023 296,746 365,323
2022 359,584 287,067
Prior to 2022 996,176 737,380
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 1,946,543 1,962,449
Commercial loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 246,084 938,373
2025 840,812 639,458
2024 600,712 333,946
2023 290,521 647,781
2022 658,925 359,874
Prior to 2022 1,306,569 1,041,776
Revolving Loans 1,304,017 1,178,076
Revolving loans to term loans 53,473 61,233
Total gross loans 5,301,113 5,200,517
Commercial loans | Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 10,109 3,386
2025 4,767 11,084
2024 6,565 28,135
2023 39,651 121,053
2022 136,685 55,415
Prior to 2022 126,105 70,042
Revolving Loans 43,093 56,848
Revolving loans to term loans 3,266 3,403
Total gross loans 370,241 349,366
Commercial loans | Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 2,014 1,005
2025 1,292 423
2024 418 17,930
2023 8,657 63,499
2022 22,003 26,067
Prior to 2022 55,856 34,829
Revolving Loans 14,879 20,217
Revolving loans to term loans 1,823 1,916
Total gross loans 106,942 165,886
Commercial loans | Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 8,095 2,381
2025 3,475 10,661
2024 6,147 10,205
2023 30,994 57,554
2022 114,682 29,348
Prior to 2022 70,249 35,213
Revolving Loans 28,214 36,631
Revolving loans to term loans 1,443 1,487
Total gross loans 263,299 183,480
Commercial loans | Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Commercial loans | Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Commercial loans | Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 235,975 934,987
2025 836,045 628,374
2024 594,147 305,811
2023 250,870 526,728
2022 522,240 304,459
Prior to 2022 1,180,464 971,734
Revolving Loans 1,260,924 1,121,228
Revolving loans to term loans 50,207 57,830
Total gross loans 4,930,872 4,851,151
Consumer loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 12,341 31,702
2025 27,894 26,407
2024 24,359 32,257
2023 30,952 45,663
2022 42,715 31,271
Prior to 2022 110,492 88,076
Revolving Loans 341,453 340,492
Revolving loans to term loans 17,810 16,563
Total gross loans 608,016 612,431
Consumer loans | Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 125
2024 73 101
2023 0 219
2022 207 0
Prior to 2022 187 317
Revolving Loans 1,095 1,634
Revolving loans to term loans 263 69
Total gross loans 1,825 2,465
Consumer loans | Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 20
2023 0 0
2022 83 0
Prior to 2022 57 7
Revolving Loans 289 806
Revolving loans to term loans 262 23
Total gross loans 691 856
Consumer loans | Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 125
2024 73 81
2023 0 219
2022 124 0
Prior to 2022 130 310
Revolving Loans 806 828
Revolving loans to term loans 1 46
Total gross loans 1,134 1,609
Consumer loans | Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Consumer loans | Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Consumer loans | Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 12,341 31,702
2025 27,894 26,282
2024 24,286 32,156
2023 30,952 45,444
2022 42,508 31,271
Prior to 2022 110,305 87,759
Revolving Loans 340,358 338,858
Revolving loans to term loans 17,547 16,494
Total gross loans 606,191 609,966
Mortgage loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 372,170 1,957,923
2025 1,989,038 985,472
2024 1,103,015 1,858,726
2023 1,795,643 2,549,689
2022 2,381,999 1,610,794
Prior to 2022 5,916,859 4,556,837
Revolving Loans 180,626 172,716
Revolving loans to term loans 10,328 10,408
Total gross loans 13,749,678 13,702,565
Mortgage loans | Total criticized and classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 15,496 15,882
2025 12,787 1,746
2024 1,731 19,312
2023 7,915 51,335
2022 48,820 70,145
Prior to 2022 207,649 139,315
Revolving Loans 751 1,251
Revolving loans to term loans 0 0
Total gross loans 295,149 298,986
Mortgage loans | Special mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 15,496 6,013
2025 7,014 0
2024 645 16,992
2023 4,514 49,454
2022 42,609 48,069
Prior to 2022 96,907 35,816
Revolving Loans 3 503
Revolving loans to term loans 0 0
Total gross loans 167,188 156,847
Mortgage loans | Substandard    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 9,869
2025 5,773 1,746
2024 1,086 2,320
2023 3,401 1,881
2022 6,211 22,076
Prior to 2022 110,742 103,499
Revolving Loans 748 748
Revolving loans to term loans 0 0
Total gross loans 127,961 142,139
Mortgage loans | Doubtful    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Mortgage loans | Loss    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 0 0
2025 0 0
2024 0 0
2023 0 0
2022 0 0
Prior to 2022 0 0
Revolving Loans 0 0
Revolving loans to term loans 0 0
Total gross loans 0 0
Mortgage loans | Pass/Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 356,674 1,942,041
2025 1,976,251 983,726
2024 1,101,284 1,839,414
2023 1,787,728 2,498,354
2022 2,333,179 1,540,649
Prior to 2022 5,709,210 4,417,522
Revolving Loans 179,875 171,465
Revolving loans to term loans 10,328 10,408
Total gross loans 13,454,529 13,403,579
Mortgage loans | Commercial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans 7,423,652 7,398,792
Mortgage loans | Multi-family    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans 3,724,236 3,667,337
Mortgage loans | Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans 640,929 662,112
Mortgage loans | Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans $ 1,960,861 $ 1,974,324