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LOANS AND CREDIT QUALITY - Loans Credit Quality by Year and Type (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | $ 26,510 | $ 163,704
Financing receivable, year two | 143,391 | 238,834
Financing receivable, year three | 227,880 | 2,275,837
Financing receivable, year four | 2,217,942 | 1,102,301
Financing receivable, year five | 1,091,125 | 591,778
Financing receivable, prior to year five | 1,630,402 | 1,161,583
Revolving | 720,745 | 692,476
Revolving-term | 5,221 | 5,283
Total | 6,063,216 | 6,231,796
Recurring |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Single family LHFI | 1,248 | 1,287
Level 3 | Recurring |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Single family LHFI | 1,248 | 1,287
30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 3,709 | 4,945
60-89 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 2,204 | 1,727
90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 4,182 | 4,354
Commercial loans |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 25,575 | 161,507
Financing receivable, year two | 142,240 | 206,951
Financing receivable, year three | 195,330 | 1,895,239
Financing receivable, year four | 1,839,375 | 798,255
Financing receivable, year five | 790,392 | 452,534
Financing receivable, prior to year five | 1,249,881 | 904,196
Revolving | 311,836 | 290,718
Revolving-term | 843 | 766
Total | 4,555,472 | 4,710,166
Commercial loans | Non-owner occupied CRE |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 3,986 | 0
Financing receivable, year two | 0 | 1,441
Financing receivable, year three | 1,426 | 70,128
Financing receivable, year four | 69,279 | 71,493
Financing receivable, year five | 71,021 | 39,885
Financing receivable, prior to year five | 399,634 | 387,839
Revolving | (33) | (36)
Revolving-term | 0 | 0
Total | 545,313 | 570,750
Commercial loans | Non-owner occupied CRE | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 3,986 | 0
Financing receivable, year two | 0 | 1,441
Financing receivable, year three | 1,426 | 70,128
Financing receivable, year four | 69,279 | 71,493
Financing receivable, year five | 71,021 | 39,885
Financing receivable, prior to year five | 360,281 | 347,058
Revolving | (33) | (36)
Revolving-term | 0 | 0
Total | 505,960 | 529,969
Commercial loans | Non-owner occupied CRE | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 23,264 | 24,551
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 23,264 | 24,551
Commercial loans | Non-owner occupied CRE | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 16,089 | 16,230
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 16,089 | 16,230
Commercial loans | Multifamily |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,353 | 1,650
Financing receivable, year two | 0 | 106,415
Financing receivable, year three | 106,376 | 1,620,674
Financing receivable, year four | 1,614,712 | 647,833
Financing receivable, year five | 647,610 | 330,418
Financing receivable, prior to year five | 564,391 | 285,685
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 2,934,442 | 2,992,675
Commercial loans | Multifamily | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,353 | 1,650
Financing receivable, year two | 0 | 106,415
Financing receivable, year three | 106,376 | 1,538,855
Financing receivable, year four | 1,533,209 | 643,044
Financing receivable, year five | 635,673 | 257,110
Financing receivable, prior to year five | 468,289 | 255,643
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 2,744,900 | 2,802,717
Commercial loans | Multifamily | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 66,217
Financing receivable, year four | 61,593 | 4,789
Financing receivable, year five | 11,049 | 73,308
Financing receivable, prior to year five | 83,829 | 23,835
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 156,471 | 168,149
Commercial loans | Multifamily | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 15,602
Financing receivable, year four | 19,910 | 0
Financing receivable, year five | 888 | 0
Financing receivable, prior to year five | 12,273 | 6,207
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 33,071 | 21,809
Commercial loans | Multifamily construction |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 31,349
Financing receivable, year three | 34,462 | 67,557
Financing receivable, year four | 30,739 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 65,201 | 98,906
Commercial loans | Multifamily construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 31,349
Financing receivable, year three | 34,462 | 67,557
Financing receivable, year four | 30,739 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 65,201 | 98,906
Commercial loans | Multifamily construction | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Multifamily construction | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | CRE construction |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 19
Financing receivable, year two | 18 | 7,198
Financing receivable, year three | 7,329 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 3,821
Financing receivable, prior to year five | 3,796 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 11,143 | 11,038
Commercial loans | CRE construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 19
Financing receivable, year two | 18 | 7,198
Financing receivable, year three | 7,329 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 7,347 | 7,217
Commercial loans | CRE construction | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | CRE construction | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 3,821
Financing receivable, prior to year five | 3,796 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 3,796 | 3,821
Commercial loans | Single family construction |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 19,488 | 121,305
Financing receivable, year two | 105,716 | 22,412
Financing receivable, year three | 16,807 | 5,346
Financing receivable, year four | 3,167 | 7,252
Financing receivable, year five | 3,185 | 0
Financing receivable, prior to year five | 68 | 69
Revolving | 180,963 | 164,442
Revolving-term | 0 | 0
Total | 329,394 | 320,826
Commercial loans | Single family construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 19,488 | 121,305
Financing receivable, year two | 105,716 | 22,412
Financing receivable, year three | 16,807 | 5,346
Financing receivable, year four | 3,167 | 7,252
Financing receivable, year five | 3,185 | 0
Financing receivable, prior to year five | 68 | 69
Revolving | 180,963 | 164,442
Revolving-term | 0 | 0
Total | 329,394 | 320,826
Commercial loans | Single family construction | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Single family construction | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Single family construction to permanent |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 493 | 6,153
Financing receivable, year two | 5,830 | 9,719
Financing receivable, year three | 4,231 | 17,598
Financing receivable, year four | 13,198 | 7,977
Financing receivable, year five | 6,520 | 523
Financing receivable, prior to year five | 600 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 30,872 | 41,970
Commercial loans | Single family construction to permanent | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 493 | 6,153
Financing receivable, year two | 5,830 | 9,719
Financing receivable, year three | 4,231 | 17,598
Financing receivable, year four | 13,198 | 7,977
Financing receivable, year five | 6,520 | 523
Financing receivable, prior to year five | 600 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 30,872 | 41,970
Commercial loans | Single family construction to permanent | 30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Single family construction to permanent | 60-89 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Single family construction to permanent | 90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Owner occupied CRE |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 71 | 5,431
Financing receivable, year two | 3,972 | 12,290
Financing receivable, year three | 9,025 | 64,883
Financing receivable, year four | 64,084 | 40,973
Financing receivable, year five | 40,520 | 41,850
Financing receivable, prior to year five | 222,421 | 196,524
Revolving | 0 | 3
Revolving-term | 13 | 43
Total | 340,106 | 361,997
Commercial loans | Owner occupied CRE | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 71 | 5,431
Financing receivable, year two | 3,972 | 10,501
Financing receivable, year three | 9,025 | 58,423
Financing receivable, year four | 57,667 | 33,371
Financing receivable, year five | 36,046 | 41,533
Financing receivable, prior to year five | 190,595 | 168,082
Revolving | 0 | 3
Revolving-term | 13 | 43
Total | 297,389 | 317,387
Commercial loans | Owner occupied CRE | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 1,789
Financing receivable, year three | 0 | 6,129
Financing receivable, year four | 6,090 | 7,602
Financing receivable, year five | 4,474 | 317
Financing receivable, prior to year five | 30,543 | 26,203
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 41,107 | 42,040
Commercial loans | Owner occupied CRE | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 331
Financing receivable, year four | 327 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 1,283 | 2,239
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 1,610 | 2,570
Commercial loans | Commercial business |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 184 | 26,949
Financing receivable, year two | 26,704 | 16,127
Financing receivable, year three | 15,674 | 49,053
Financing receivable, year four | 44,196 | 22,727
Financing receivable, year five | 21,536 | 36,037
Financing receivable, prior to year five | 58,971 | 34,079
Revolving | 130,906 | 126,309
Revolving-term | 830 | 723
Total | 299,001 | 312,004
Commercial loans | Commercial business | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 184 | 26,706
Financing receivable, year two | 26,473 | 15,721
Financing receivable, year three | 15,290 | 36,209
Financing receivable, year four | 19,531 | 20,347
Financing receivable, year five | 19,478 | 28,207
Financing receivable, prior to year five | 46,220 | 28,836
Revolving | 126,636 | 123,003
Revolving-term | 818 | 700
Total | 254,630 | 279,729
Commercial loans | Commercial business | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 959
Financing receivable, year four | 13,075 | 2,380
Financing receivable, year five | 2,058 | 638
Financing receivable, prior to year five | 1,036 | 615
Revolving | 1,172 | 386
Revolving-term | 0 | 0
Total | 17,341 | 4,978
Commercial loans | Commercial business | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 243
Financing receivable, year two | 231 | 406
Financing receivable, year three | 384 | 11,885
Financing receivable, year four | 11,590 | 0
Financing receivable, year five | 0 | 7,192
Financing receivable, prior to year five | 11,715 | 4,628
Revolving | 3,098 | 2,920
Revolving-term | 12 | 23
Total | 27,030 | 27,297
Consumer loans |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one |  | 2,197
Financing receivable, year one, net | 935 |
Financing receivable, year two | 1,151 | 31,883
Financing receivable, year three | 32,550 | 380,598
Financing receivable, year four | 378,567 | 304,046
Financing receivable, year five | 300,733 | 139,244
Financing receivable, prior to year five | 380,521 | 257,387
Revolving | 408,909 | 401,758
Revolving-term | 4,378 | 4,517
Total | 1,507,744 | 1,521,630
Consumer loans | Single family |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one |  | 566
Financing receivable, year one, net | 0 |
Financing receivable, year two | 0 | 30,940
Financing receivable, year three | 31,711 | 379,065
Financing receivable, year four | 377,273 | 303,920
Financing receivable, year five | 300,628 | 139,159
Financing receivable, prior to year five | 378,652 | 255,445
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 1,088,264 | 1,109,095
Consumer loans | Single family | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one |  | 566
Financing receivable, year one, net | 0 |
Financing receivable, year two | 0 | 30,940
Financing receivable, year three | 31,711 | 378,613
Financing receivable, year four | 376,821 | 303,920
Financing receivable, year five | 300,525 | 139,159
Financing receivable, prior to year five | 374,970 | 251,322
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 1,084,027 | 1,104,520
Consumer loans | Single family | 30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one |  | 0
Financing receivable, year one, net | 0 |
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 452
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 1,285 | 1,673
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 1,285 | 2,125
Consumer loans | Single family | 60-89 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one |  | 0
Financing receivable, year one, net | 0 |
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 103 | 0
Financing receivable, prior to year five | 796 | 440
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 899 | 440
Consumer loans | Single family | 90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one |  | 0
Financing receivable, year one, net | 0 |
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 452 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 1,601 | 2,010
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 2,053 | 2,010
Consumer loans | Home equity and other |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 935 | 1,631
Financing receivable, year two | 1,151 | 943
Financing receivable, year three | 839 | 1,533
Financing receivable, year four | 1,294 | 126
Financing receivable, year five | 105 | 85
Financing receivable, prior to year five | 1,869 | 1,942
Revolving | 408,909 | 401,758
Revolving-term | 4,378 | 4,517
Total | 419,480 | 412,535
Consumer loans | Home equity and other | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 935 | 1,606
Financing receivable, year two | 1,141 | 936
Financing receivable, year three | 835 | 1,528
Financing receivable, year four | 1,290 | 126
Financing receivable, year five | 105 | 85
Financing receivable, prior to year five | 1,867 | 1,932
Revolving | 406,020 | 399,531
Revolving-term | 4,368 | 4,449
Total | 416,561 | 410,193
Consumer loans | Home equity and other | 30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 25
Financing receivable, year two | 7 | 4
Financing receivable, year three | 0 | 1
Financing receivable, year four | 4 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 976 | 474
Revolving-term | 4 | 62
Total | 991 | 566
Consumer loans | Home equity and other | 60-89 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 3 | 3
Financing receivable, year three | 4 | 4
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 480 | 626
Revolving-term | 0 | 0
Total | 487 | 633
Consumer loans | Home equity and other | 90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 0 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 2 | 10
Revolving | 1,433 | 1,127
Revolving-term | 6 | 6
Total | $ 1,441 | $ 1,143

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