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LOANS AND CREDIT QUALITY - Loans Credit Quality by Year and Type (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | $ 2,198,789 | $ 1,983,151
Financing receivable, year two | 1,915,796 | 976,561
Financing receivable, year three | 881,782 | 685,228
Financing receivable, year four | 539,467 | 343,695
Financing receivable, year five | 263,226 | 324,120
Financing receivable, prior to year five | 836,520 | 704,248
Revolving | 569,768 | 514,380
Revolving-term | 8,139 | 11,466
Total | 7,213,487 | 5,542,849
Recurring |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Single family LHFI | 5,850 | 7,287
Level 3 | Recurring |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Single family LHFI | 5,850 | 7,287
30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 3,139 | 1,208
60-89 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 867 | 894
90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 5,064 | 6,717
Commercial loans |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,997,245 | 1,805,033
Financing receivable, year two | 1,694,398 | 819,724
Financing receivable, year three | 734,196 | 621,614
Financing receivable, year four | 490,454 | 276,648
Financing receivable, year five | 215,408 | 227,302
Financing receivable, prior to year five | 591,115 | 496,716
Revolving | 247,400 | 223,272
Revolving-term | 3,965 | 6,131
Total | 5,974,181 | 4,476,440
Commercial loans | Non-owner occupied CRE |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 68,355 | 68,647
Financing receivable, year two | 68,432 | 50,571
Financing receivable, year three | 42,525 | 169,711
Financing receivable, year four | 140,499 | 130,877
Financing receivable, year five | 92,645 | 100,674
Financing receivable, prior to year five | 250,995 | 183,024
Revolving | 2,141 | 963
Revolving-term | 802 | 892
Total | 666,394 | 705,359
Commercial loans | Non-owner occupied CRE | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 68,355 | 68,647
Financing receivable, year two | 68,432 | 50,571
Financing receivable, year three | 42,525 | 169,711
Financing receivable, year four | 140,499 | 130,877
Financing receivable, year five | 92,645 | 100,674
Financing receivable, prior to year five | 246,729 | 183,024
Revolving | 2,141 | 963
Revolving-term | 802 | 892
Total | 662,128 | 705,359
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 | 4,266 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 4,266 | 0
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 | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Multifamily |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,642,429 | 1,315,204
Financing receivable, year two | 1,292,784 | 561,666
Financing receivable, year three | 536,731 | 286,826
Financing receivable, year four | 242,459 | 60,372
Financing receivable, year five | 59,604 | 26,065
Financing receivable, prior to year five | 149,619 | 165,225
Revolving | 320 | 1
Revolving-term | 0 | 0
Total | 3,923,946 | 2,415,359
Commercial loans | Multifamily | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,642,429 | 1,315,204
Financing receivable, year two | 1,292,784 | 561,666
Financing receivable, year three | 531,838 | 286,826
Financing receivable, year four | 222,624 | 60,372
Financing receivable, year five | 59,604 | 26,065
Financing receivable, prior to year five | 142,064 | 165,225
Revolving | 320 | 1
Revolving-term | 0 | 0
Total | 3,891,663 | 2,415,359
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 | 4,893 | 0
Financing receivable, year four | 19,835 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 7,555 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 32,283 | 0
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 | 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 |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 9,078 | 7,825
Financing receivable, year two | 40,846 | 22,863
Financing receivable, year three | 12,793 | 7,173
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 | 62,717 | 37,861
Commercial loans | Multifamily construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 9,078 | 7,825
Financing receivable, year two | 40,846 | 22,863
Financing receivable, year three | 12,793 | 7,173
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 | 62,717 | 37,861
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 | 7,694
Financing receivable, year two | 14,314 | 3,960
Financing receivable, year three | 3,959 | 0
Financing receivable, year four | 0 | 1,962
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 311 | 556
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 18,584 | 14,172
Commercial loans | CRE construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 7,694
Financing receivable, year two | 14,314 | 3,960
Financing receivable, year three | 3,959 | 0
Financing receivable, year four | 0 | 1,962
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 311 | 556
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 18,584 | 14,172
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 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 0
Commercial loans | Single family construction |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 130,517 | 146,595
Financing receivable, year two | 72,095 | 35,640
Financing receivable, year three | 24,369 | 14,509
Financing receivable, year four | 2,129 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 75 | 77
Revolving | 116,346 | 99,206
Revolving-term | 0 | 0
Total | 345,531 | 296,027
Commercial loans | Single family construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 130,517 | 146,595
Financing receivable, year two | 72,095 | 35,640
Financing receivable, year three | 24,369 | 14,509
Financing receivable, year four | 2,129 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 75 | 77
Revolving | 116,346 | 99,206
Revolving-term | 0 | 0
Total | 345,531 | 296,027
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 | 40,499 | 90,311
Financing receivable, year two | 99,023 | 42,636
Financing receivable, year three | 17,758 | 13,362
Financing receivable, year four | 5,186 | 1,775
Financing receivable, year five | 794 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 163,260 | 148,084
Commercial loans | Single family construction to permanent | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 40,499 | 90,311
Financing receivable, year two | 99,023 | 42,636
Financing receivable, year three | 17,758 | 13,362
Financing receivable, year four | 5,186 | 1,775
Financing receivable, year five | 794 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 163,260 | 148,084
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 | 49,583 | 70,902
Financing receivable, year two | 53,256 | 47,536
Financing receivable, year three | 45,926 | 76,088
Financing receivable, year four | 72,717 | 51,023
Financing receivable, year five | 45,455 | 83,212
Financing receivable, prior to year five | 164,054 | 125,248
Revolving | 0 | 798
Revolving-term | 1,123 | 2,899
Total | 432,114 | 457,706
Commercial loans | Owner occupied CRE | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 49,583 | 70,902
Financing receivable, year two | 53,256 | 47,536
Financing receivable, year three | 45,926 | 57,423
Financing receivable, year four | 72,717 | 47,716
Financing receivable, year five | 41,147 | 67,042
Financing receivable, prior to year five | 147,619 | 106,659
Revolving | 0 | 798
Revolving-term | 1,123 | 2,839
Total | 411,371 | 400,915
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 | 0
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 2,196
Financing receivable, year five | 2,149 | 6,019
Financing receivable, prior to year five | 13,944 | 145
Revolving | 0 | 0
Revolving-term | 0 | 60
Total | 16,093 | 8,420
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 | 18,665
Financing receivable, year four | 0 | 1,111
Financing receivable, year five | 2,159 | 10,151
Financing receivable, prior to year five | 2,491 | 18,444
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 4,650 | 48,371
Commercial loans | Commercial business |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 56,784 | 97,855
Financing receivable, year two | 53,648 | 54,852
Financing receivable, year three | 50,135 | 53,945
Financing receivable, year four | 27,464 | 30,639
Financing receivable, year five | 16,910 | 17,351
Financing receivable, prior to year five | 26,061 | 22,586
Revolving | 128,593 | 122,304
Revolving-term | 2,040 | 2,340
Total | 361,635 | 401,872
Commercial loans | Commercial business | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 56,784 | 88,139
Financing receivable, year two | 46,473 | 51,453
Financing receivable, year three | 47,357 | 44,882
Financing receivable, year four | 22,740 | 24,711
Financing receivable, year five | 14,232 | 11,859
Financing receivable, prior to year five | 20,234 | 21,258
Revolving | 123,215 | 112,759
Revolving-term | 1,931 | 2,104
Total | 332,966 | 357,165
Commercial loans | Commercial business | Special Mention |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 189 | 0
Financing receivable, year three | 0 | 7,396
Financing receivable, year four | 0 | 0
Financing receivable, year five | 193 | 4,396
Financing receivable, prior to year five | 3,796 | 0
Revolving | 753 | 5,613
Revolving-term | 109 | 134
Total | 5,040 | 17,539
Commercial loans | Commercial business | Substandard |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 9,716
Financing receivable, year two | 6,986 | 3,399
Financing receivable, year three | 2,778 | 1,667
Financing receivable, year four | 4,724 | 5,928
Financing receivable, year five | 2,485 | 1,096
Financing receivable, prior to year five | 2,031 | 1,328
Revolving | 4,625 | 3,932
Revolving-term | 0 | 102
Total | 23,629 | 27,168
Consumer loans |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 201,544 | 178,118
Financing receivable, year two | 221,398 | 156,837
Financing receivable, year three | 147,586 | 63,614
Financing receivable, year four | 49,013 | 67,047
Financing receivable, year five | 47,818 | 96,818
Financing receivable, prior to year five | 245,405 | 207,532
Revolving | 322,368 | 291,108
Revolving-term | 4,174 | 5,335
Total | 1,239,306 | 1,066,409
Consumer loans | Single family |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 199,172 | 176,110
Financing receivable, year two | 220,456 | 156,360
Financing receivable, year three | 147,398 | 63,221
Financing receivable, year four | 48,822 | 66,515
Financing receivable, year five | 47,679 | 96,302
Financing receivable, prior to year five | 243,517 | 204,823
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 907,044 | 763,331
Consumer loans | Single family | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 199,172 | 176,110
Financing receivable, year two | 220,456 | 156,360
Financing receivable, year three | 147,398 | 62,369
Financing receivable, year four | 48,390 | 66,063
Financing receivable, year five | 47,679 | 95,988
Financing receivable, prior to year five | 241,953 | 204,229
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 905,048 | 761,119
Consumer loans | Single family | 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 | 291
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 93 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 93 | 291
Consumer loans | Single family | 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 | 314
Financing receivable, prior to year five | 0 | 471
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 785
Consumer loans | Single family | 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 | 561
Financing receivable, year four | 432 | 452
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 1,471 | 123
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 1,903 | 1,136
Consumer loans | Home equity and other |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 2,372 | 2,008
Financing receivable, year two | 942 | 477
Financing receivable, year three | 188 | 393
Financing receivable, year four | 191 | 532
Financing receivable, year five | 139 | 516
Financing receivable, prior to year five | 1,888 | 2,709
Revolving | 322,368 | 291,108
Revolving-term | 4,174 | 5,335
Total | 332,262 | 303,078
Consumer loans | Home equity and other | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 2,347 | 2,005
Financing receivable, year two | 912 | 474
Financing receivable, year three | 188 | 393
Financing receivable, year four | 191 | 532
Financing receivable, year five | 139 | 516
Financing receivable, prior to year five | 1,622 | 2,609
Revolving | 322,132 | 290,512
Revolving-term | 4,172 | 5,273
Total | 331,703 | 302,314
Consumer loans | Home equity and other | 30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 0
Financing receivable, year two | 30 | 3
Financing receivable, year three | 0 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 52 | 94
Revolving | 232 | 40
Revolving-term | 2 | 0
Total | 316 | 137
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 | 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 | 4 | 12
Revolving-term | 0 | 62
Total | 4 | 74
Consumer loans | Home equity and other | 90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 25 | 3
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 | 214 | 6
Revolving | 0 | 544
Revolving-term | 0 | 0
Total | $ 239 | $ 553

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