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LOANS AND CREDIT QUALITY - Loans Credit Quality by Year and Type (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | $ 1,573,916 | $ 1,983,151
Financing receivable, year two | 1,932,738 | 976,561
Financing receivable, year three | 901,603 | 685,228
Financing receivable, year four | 567,734 | 343,695
Financing receivable, year five | 299,005 | 324,120
Financing receivable, prior to year five | 904,702 | 704,248
Revolving | 571,105 | 514,380
Revolving-term | 8,934 | 11,466
Total | 6,759,737 | 5,542,849
Recurring |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Single family LHFI | 6,508 | 7,287
Level 3 | Recurring |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Single family LHFI | 6,508 | 7,287
30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 3,292 | 1,208
60-89 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 1,709 | 894
90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Total | 7,010 | 6,717
Commercial loans |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,449,048 | 1,805,033
Financing receivable, year two | 1,737,223 | 819,724
Financing receivable, year three | 752,187 | 621,614
Financing receivable, year four | 519,320 | 276,648
Financing receivable, year five | 249,856 | 227,302
Financing receivable, prior to year five | 644,225 | 496,716
Revolving | 264,357 | 223,272
Revolving-term | 4,477 | 6,131
Total | 5,620,693 | 4,476,440
Commercial loans | Non-owner occupied CRE |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 60,429 | 68,647
Financing receivable, year two | 68,503 | 50,571
Financing receivable, year three | 49,985 | 169,711
Financing receivable, year four | 142,238 | 130,877
Financing receivable, year five | 121,467 | 100,674
Financing receivable, prior to year five | 264,425 | 183,024
Revolving | 3,187 | 963
Revolving-term | 843 | 892
Total | 711,077 | 705,359
Commercial loans | Non-owner occupied CRE | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 60,429 | 68,647
Financing receivable, year two | 68,503 | 50,571
Financing receivable, year three | 49,985 | 169,711
Financing receivable, year four | 142,238 | 130,877
Financing receivable, year five | 121,467 | 100,674
Financing receivable, prior to year five | 264,425 | 183,024
Revolving | 3,187 | 963
Revolving-term | 843 | 892
Total | 711,077 | 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 | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 0 | 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 | 1,183,994 | 1,315,204
Financing receivable, year two | 1,294,761 | 561,666
Financing receivable, year three | 532,434 | 286,826
Financing receivable, year four | 243,089 | 60,372
Financing receivable, year five | 59,858 | 26,065
Financing receivable, prior to year five | 161,060 | 165,225
Revolving | 501 | 1
Revolving-term | 0 | 0
Total | 3,475,697 | 2,415,359
Commercial loans | Multifamily | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,183,994 | 1,315,204
Financing receivable, year two | 1,294,761 | 561,666
Financing receivable, year three | 523,758 | 286,826
Financing receivable, year four | 223,254 | 60,372
Financing receivable, year five | 59,858 | 26,065
Financing receivable, prior to year five | 161,060 | 165,225
Revolving | 501 | 1
Revolving-term | 0 | 0
Total | 3,447,186 | 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 | 8,676 | 0
Financing receivable, year four | 19,835 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 28,511 | 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 | (179) | 7,825
Financing receivable, year two | 17,954 | 22,863
Financing receivable, year three | 25,601 | 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 | 43,376 | 37,861
Commercial loans | Multifamily construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | (179) | 7,825
Financing receivable, year two | 17,954 | 22,863
Financing receivable, year three | 25,601 | 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 | 43,376 | 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 | 14,146 | 3,960
Financing receivable, year three | 3,957 | 0
Financing receivable, year four | 0 | 1,962
Financing receivable, year five | 1,887 | 0
Financing receivable, prior to year five | 534 | 556
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 20,524 | 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 | 14,146 | 3,960
Financing receivable, year three | 3,957 | 0
Financing receivable, year four | 0 | 1,962
Financing receivable, year five | 1,887 | 0
Financing receivable, prior to year five | 534 | 556
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 20,524 | 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 | 89,586 | 146,595
Financing receivable, year two | 108,460 | 35,640
Financing receivable, year three | 22,717 | 14,509
Financing receivable, year four | 12,438 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 76 | 77
Revolving | 113,846 | 99,206
Revolving-term | 0 | 0
Total | 347,123 | 296,027
Commercial loans | Single family construction | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 89,586 | 146,595
Financing receivable, year two | 108,460 | 35,640
Financing receivable, year three | 22,717 | 14,509
Financing receivable, year four | 12,438 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 76 | 77
Revolving | 113,846 | 99,206
Revolving-term | 0 | 0
Total | 347,123 | 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 | 21,192 | 90,311
Financing receivable, year two | 107,448 | 42,636
Financing receivable, year three | 19,654 | 13,362
Financing receivable, year four | 9,856 | 1,775
Financing receivable, year five | 723 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 158,873 | 148,084
Commercial loans | Single family construction to permanent | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 21,192 | 90,311
Financing receivable, year two | 107,448 | 42,636
Financing receivable, year three | 19,654 | 13,362
Financing receivable, year four | 9,856 | 1,775
Financing receivable, year five | 723 | 0
Financing receivable, prior to year five | 0 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 158,873 | 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 | 41,637 | 70,902
Financing receivable, year two | 70,204 | 47,536
Financing receivable, year three | 46,819 | 76,088
Financing receivable, year four | 74,726 | 51,023
Financing receivable, year five | 45,988 | 83,212
Financing receivable, prior to year five | 189,312 | 125,248
Revolving | 149 | 798
Revolving-term | 1,424 | 2,899
Total | 470,259 | 457,706
Commercial loans | Owner occupied CRE | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 41,637 | 70,902
Financing receivable, year two | 70,204 | 47,536
Financing receivable, year three | 46,819 | 57,423
Financing receivable, year four | 74,726 | 47,716
Financing receivable, year five | 42,438 | 67,042
Financing receivable, prior to year five | 175,013 | 106,659
Revolving | 149 | 798
Revolving-term | 1,368 | 2,839
Total | 452,354 | 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 | 2,439 | 6,019
Financing receivable, prior to year five | 11,916 | 145
Revolving | 0 | 0
Revolving-term | 0 | 60
Total | 14,355 | 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 | 1,111 | 10,151
Financing receivable, prior to year five | 2,383 | 18,444
Revolving | 0 | 0
Revolving-term | 56 | 0
Total | 3,550 | 48,371
Commercial loans | Commercial business |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 52,389 | 97,855
Financing receivable, year two | 55,747 | 54,852
Financing receivable, year three | 51,020 | 53,945
Financing receivable, year four | 36,973 | 30,639
Financing receivable, year five | 19,933 | 17,351
Financing receivable, prior to year five | 28,818 | 22,586
Revolving | 146,674 | 122,304
Revolving-term | 2,210 | 2,340
Total | 393,764 | 401,872
Commercial loans | Commercial business | Pass |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 52,389 | 88,139
Financing receivable, year two | 48,098 | 51,453
Financing receivable, year three | 48,079 | 44,882
Financing receivable, year four | 34,689 | 24,711
Financing receivable, year five | 17,952 | 11,859
Financing receivable, prior to year five | 23,204 | 21,258
Revolving | 141,298 | 112,759
Revolving-term | 1,999 | 2,104
Total | 367,708 | 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 | 201 | 0
Financing receivable, year three | 26 | 7,396
Financing receivable, year four | 0 | 0
Financing receivable, year five | 194 | 4,396
Financing receivable, prior to year five | 3,523 | 0
Revolving | 756 | 5,613
Revolving-term | 201 | 134
Total | 4,901 | 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 | 7,448 | 3,399
Financing receivable, year three | 2,915 | 1,667
Financing receivable, year four | 2,284 | 5,928
Financing receivable, year five | 1,787 | 1,096
Financing receivable, prior to year five | 2,091 | 1,328
Revolving | 4,620 | 3,932
Revolving-term | 10 | 102
Total | 21,155 | 27,168
Consumer loans |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 124,868 | 178,118
Financing receivable, year two | 195,515 | 156,837
Financing receivable, year three | 149,416 | 63,614
Financing receivable, year four | 48,414 | 67,047
Financing receivable, year five | 49,149 | 96,818
Financing receivable, prior to year five | 260,477 | 207,532
Revolving | 306,748 | 291,108
Revolving-term | 4,457 | 5,335
Total | 1,139,044 | 1,066,409
Consumer loans | Single family |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 123,677 | 176,110
Financing receivable, year two | 194,198 | 156,360
Financing receivable, year three | 149,161 | 63,221
Financing receivable, year four | 48,176 | 66,515
Financing receivable, year five | 48,974 | 96,302
Financing receivable, prior to year five | 258,203 | 204,823
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 822,389 | 763,331
Consumer loans | Single family | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 123,677 | 176,110
Financing receivable, year two | 194,198 | 156,360
Financing receivable, year three | 149,161 | 62,369
Financing receivable, year four | 47,744 | 66,063
Financing receivable, year five | 48,522 | 95,988
Financing receivable, prior to year five | 256,738 | 204,229
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 820,040 | 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 | 462 | 0
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 462 | 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 | 173 | 471
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 173 | 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 | 452 | 0
Financing receivable, prior to year five | 830 | 123
Revolving | 0 | 0
Revolving-term | 0 | 0
Total | 1,714 | 1,136
Consumer loans | Home equity and other |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,191 | 2,008
Financing receivable, year two | 1,317 | 477
Financing receivable, year three | 255 | 393
Financing receivable, year four | 238 | 532
Financing receivable, year five | 175 | 516
Financing receivable, prior to year five | 2,274 | 2,709
Revolving | 306,748 | 291,108
Revolving-term | 4,457 | 5,335
Total | 316,655 | 303,078
Consumer loans | Home equity and other | Current |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 1,188 | 2,005
Financing receivable, year two | 1,307 | 474
Financing receivable, year three | 242 | 393
Financing receivable, year four | 238 | 532
Financing receivable, year five | 175 | 516
Financing receivable, prior to year five | 2,085 | 2,609
Revolving | 306,225 | 290,512
Revolving-term | 4,457 | 5,273
Total | 315,917 | 302,314
Consumer loans | Home equity and other | 30-59 days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 3 | 0
Financing receivable, year two | 3 | 3
Financing receivable, year three | 13 | 0
Financing receivable, year four | 0 | 0
Financing receivable, year five | 0 | 0
Financing receivable, prior to year five | 0 | 94
Revolving | 191 | 40
Revolving-term | 0 | 0
Total | 210 | 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 | 3 | 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 | 94 | 0
Revolving | 99 | 12
Revolving-term | 0 | 62
Total | 196 | 74
Consumer loans | Home equity and other | 90+ days |  |
Financing Receivable, before Allowance for Credit Loss [Abstract] |  |
Financing receivable, year one | 0 | 3
Financing receivable, year two | 4 | 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 | 95 | 6
Revolving | 233 | 544
Revolving-term | 0 | 0
Total | $ 332 | $ 553

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