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LOANS AND CREDIT QUALITY - Loans Credit Quality by Year and Type (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	$ 163,704	$ 273,487
Financing receivable, year two	238,834	2,520,561
Financing receivable, year three	2,275,837	1,781,268
Financing receivable, year four	1,102,301	767,209
Financing receivable, year five	591,778	465,962
Financing receivable, prior to year five	1,161,583	924,665
Revolving	692,476	681,941
Revolving-term	5,283	7,811
Total LHFI	6,231,796	7,422,904
Fair Value, Recurring
Financing Receivable, Credit Quality Indicator [Line Items]
Single family LHFI	1,287	1,280
Fair Value, Recurring | Level 3
Financing Receivable, Credit Quality Indicator [Line Items]
Single family LHFI	1,287	1,280
30-59 days
Financing Receivable, Credit Quality Indicator [Line Items]
Total LHFI	4,945	6,148
60-89 days
Financing Receivable, Credit Quality Indicator [Line Items]
Total LHFI	1,727	4,133
90+ days
Financing Receivable, Credit Quality Indicator [Line Items]
Total LHFI	4,354	4,261
Commercial and industrial loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	161,507	244,302
Financing receivable, year two	206,951	2,163,372
Financing receivable, year three	1,895,239	1,467,091
Financing receivable, year four	798,255	619,905
Financing receivable, year five	452,534	416,790
Financing receivable, prior to year five	904,196	674,608
Revolving	290,718	310,096
Revolving-term	766	2,160
Total LHFI	4,710,166	5,898,324
Commercial and industrial loans | Non-owner occupied CRE
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	1,499
Financing receivable, year two	1,441	70,388
Financing receivable, year three	70,128	71,217
Financing receivable, year four	71,493	41,235
Financing receivable, year five	39,885	135,816
Financing receivable, prior to year five	387,839	320,556
Revolving	(36)
Revolving		1,174
Revolving-term	0	0
Total LHFI	570,750	641,885
Commercial and industrial loans | Non-owner occupied CRE | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	1,499
Financing receivable, year two	1,441	70,388
Financing receivable, year three	70,128	71,217
Financing receivable, year four	71,493	41,235
Financing receivable, year five	39,885	118,900
Financing receivable, prior to year five	347,058	286,379
Revolving	(36)
Revolving		601
Revolving-term	0	0
Total LHFI	529,969	590,219
Commercial and industrial loans | Non-owner occupied CRE | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
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	686
Financing receivable, prior to year five	24,551	34,177
Revolving	0
Revolving		0
Revolving-term	0	0
Total LHFI	24,551	34,863
Commercial and industrial loans | Non-owner occupied CRE | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
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	16,230
Financing receivable, prior to year five	16,230	0
Revolving	0
Revolving		573
Revolving-term	0	0
Total LHFI	16,230	16,803
Commercial and industrial loans | Multifamily
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	1,650	108,274
Financing receivable, year two	106,415	1,813,647
Financing receivable, year three	1,620,674	1,155,619
Financing receivable, year four	647,833	488,595
Financing receivable, year five	330,418	191,935
Financing receivable, prior to year five	285,685	182,119
Revolving	0	0
Revolving-term	0	0
Total LHFI	2,992,675	3,940,189
Commercial and industrial loans | Multifamily | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	1,650	108,274
Financing receivable, year two	106,415	1,813,647
Financing receivable, year three	1,538,855	1,151,677
Financing receivable, year four	643,044	475,708
Financing receivable, year five	257,110	189,567
Financing receivable, prior to year five	255,643	177,712
Revolving	0	0
Revolving-term	0	0
Total LHFI	2,802,717	3,916,585
Commercial and industrial loans | Multifamily | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	0
Financing receivable, year two	0	0
Financing receivable, year three	66,217	3,942
Financing receivable, year four	4,789	12,887
Financing receivable, year five	73,308	2,368
Financing receivable, prior to year five	23,835	1,344
Revolving	0	0
Revolving-term	0	0
Total LHFI	168,149	20,541
Commercial and industrial loans | Multifamily | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	0
Financing receivable, year two	0	0
Financing receivable, year three	15,602	0
Financing receivable, year four	0	0
Financing receivable, year five	0	0
Financing receivable, prior to year five	6,207	3,063
Revolving	0	0
Revolving-term	0	0
Total LHFI	21,809	3,063
Commercial and industrial loans | Multifamily construction
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	(198)
Financing receivable, year two	31,349	56,013
Financing receivable, year three	67,557	112,234
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 LHFI	98,906	168,049
Commercial and industrial loans | Multifamily construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	(198)
Financing receivable, year two	31,349	56,013
Financing receivable, year three	67,557	112,234
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 LHFI	98,906	168,049
Commercial and industrial loans | Multifamily construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | Multifamily construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | CRE construction
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	19	7
Financing receivable, year two	7,198	0
Financing receivable, year three	0	14,685
Financing receivable, year four	0	3,821
Financing receivable, year five	3,821	0
Financing receivable, prior to year five	0	0
Revolving	0	0
Revolving-term	0	0
Total LHFI	11,038	18,513
Commercial and industrial loans | CRE construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	19	7
Financing receivable, year two	7,198	0
Financing receivable, year three	0	14,685
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 LHFI	7,217	14,692
Commercial and industrial loans | CRE construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | CRE construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	0
Financing receivable, year two	0	0
Financing receivable, year three	0	0
Financing receivable, year four	0	3,821
Financing receivable, year five	3,821	0
Financing receivable, prior to year five	0	0
Revolving	0	0
Revolving-term	0	0
Total LHFI	3,821	3,821
Commercial and industrial loans | Single family construction
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	121,305	75,305
Financing receivable, year two	22,412	39,621
Financing receivable, year three	5,346	12,294
Financing receivable, year four	7,252	0
Financing receivable, year five	0	0
Financing receivable, prior to year five	69	72
Revolving	164,442	146,758
Revolving-term	0	0
Total LHFI	320,826	274,050
Commercial and industrial loans | Single family construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	121,305	75,305
Financing receivable, year two	22,412	39,621
Financing receivable, year three	5,346	12,294
Financing receivable, year four	7,252	0
Financing receivable, year five	0	0
Financing receivable, prior to year five	69	72
Revolving	164,442	146,758
Revolving-term	0	0
Total LHFI	320,826	274,050
Commercial and industrial loans | Single family construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | Single family construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | Single family construction to permanent
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	6,153	27,114
Financing receivable, year two	9,719	56,469
Financing receivable, year three	17,598	19,871
Financing receivable, year four	7,977	1,850
Financing receivable, year five	523	0
Financing receivable, prior to year five	0	0
Revolving	0	0
Revolving-term	0	0
Total LHFI	41,970	105,304
Commercial and industrial loans | Single family construction to permanent | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	6,153	27,114
Financing receivable, year two	9,719	56,469
Financing receivable, year three	17,598	19,871
Financing receivable, year four	7,977	1,850
Financing receivable, year five	523	0
Financing receivable, prior to year five	0	0
Revolving	0	0
Revolving-term	0	0
Total LHFI	41,970	105,304
Commercial and industrial loans | Single family construction to permanent | 30-59 days
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | Single family construction to permanent | 60-89 days
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | Single family construction to permanent | 90+ days
Financing Receivable, Credit Quality Indicator [Line Items]
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 LHFI	0	0
Commercial and industrial loans | Owner occupied CRE
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	5,431	14,331
Financing receivable, year two	12,290	69,877
Financing receivable, year three	64,883	48,919
Financing receivable, year four	40,973	43,399
Financing receivable, year five	41,850	68,601
Financing receivable, prior to year five	196,524	145,034
Revolving	3	2
Revolving-term	43	1,122
Total LHFI	361,997	391,285
Commercial and industrial loans | Owner occupied CRE | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	5,431	12,459
Financing receivable, year two	10,501	68,399
Financing receivable, year three	58,423	39,629
Financing receivable, year four	33,371	43,399
Financing receivable, year five	41,533	65,392
Financing receivable, prior to year five	168,082	111,199
Revolving	3	2
Revolving-term	43	1,122
Total LHFI	317,387	341,601
Commercial and industrial loans | Owner occupied CRE | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	1,871
Financing receivable, year two	1,789	1,478
Financing receivable, year three	6,129	9,290
Financing receivable, year four	7,602	0
Financing receivable, year five	317	2,956
Financing receivable, prior to year five	26,203	28,784
Revolving	0	0
Revolving-term	0	0
Total LHFI	42,040	44,379
Commercial and industrial loans | Owner occupied CRE | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	1
Financing receivable, year two	0	0
Financing receivable, year three	331	0
Financing receivable, year four	0	0
Financing receivable, year five	0	253
Financing receivable, prior to year five	2,239	5,051
Revolving	0	0
Revolving-term	0	0
Total LHFI	2,570	5,305
Commercial and industrial loans | Commercial business
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	26,949	17,970
Financing receivable, year two	16,127	57,357
Financing receivable, year three	49,053	32,252
Financing receivable, year four	22,727	41,005
Financing receivable, year five	36,037	20,438
Financing receivable, prior to year five	34,079	26,827
Revolving	126,309	162,162
Revolving-term	723	1,038
Total LHFI	312,004	359,049
Commercial and industrial loans | Commercial business | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	26,706	17,970
Financing receivable, year two	15,721	45,892
Financing receivable, year three	36,209	27,227
Financing receivable, year four	20,347	33,404
Financing receivable, year five	28,207	16,198
Financing receivable, prior to year five	28,836	24,903
Revolving	123,003	157,656
Revolving-term	700	973
Total LHFI	279,729	324,223
Commercial and industrial loans | Commercial business | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	0
Financing receivable, year two	0	11,465
Financing receivable, year three	959	2,891
Financing receivable, year four	2,380	0
Financing receivable, year five	638	452
Financing receivable, prior to year five	615	38
Revolving	386	3,485
Revolving-term	0	0
Total LHFI	4,978	18,331
Commercial and industrial loans | Commercial business | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	243	0
Financing receivable, year two	406	0
Financing receivable, year three	11,885	2,134
Financing receivable, year four	0	7,601
Financing receivable, year five	7,192	3,788
Financing receivable, prior to year five	4,628	1,886
Revolving	2,920	1,021
Revolving-term	23	65
Total LHFI	27,297	16,495
Consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	2,197	29,185
Financing receivable, year two	31,883	357,189
Financing receivable, year three	380,598	314,177
Financing receivable, year four	304,046	147,304
Financing receivable, year five	139,244	49,172
Financing receivable, prior to year five	257,387	250,057
Revolving	401,758	371,845
Revolving-term	4,517	5,651
Total LHFI	1,521,630	1,524,580
Consumer loans | Single family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	566	27,011
Financing receivable, year two	30,940	354,691
Financing receivable, year three	379,065	313,866
Financing receivable, year four	303,920	147,183
Financing receivable, year five	139,159	49,126
Financing receivable, prior to year five	255,445	248,402
Revolving	0	0
Revolving-term	0	0
Total LHFI	1,109,095	1,140,279
Consumer loans | Single family | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	566	27,011
Financing receivable, year two	30,940	354,691
Financing receivable, year three	378,613	313,866
Financing receivable, year four	303,920	147,183
Financing receivable, year five	139,159	49,126
Financing receivable, prior to year five	251,322	245,574
Revolving	0	0
Revolving-term	0	0
Total LHFI	1,104,520	1,137,451
Consumer loans | Single family | 30-59 days
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	0
Financing receivable, year two	0	0
Financing receivable, year three	452	0
Financing receivable, year four	0	0
Financing receivable, year five	0	0
Financing receivable, prior to year five	1,673	781
Revolving	0	0
Revolving-term	0	0
Total LHFI	2,125	781
Consumer loans | Single family | 60-89 days
Financing Receivable, Credit Quality Indicator [Line Items]
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	440	1,374
Revolving	0	0
Revolving-term	0	0
Total LHFI	440	1,374
Consumer loans | Single family | 90+ days
Financing Receivable, Credit Quality Indicator [Line Items]
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	2,010	673
Revolving	0	0
Revolving-term	0	0
Total LHFI	2,010	673
Consumer loans | Home equity and other
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	1,631	2,174
Financing receivable, year two	943	2,498
Financing receivable, year three	1,533	311
Financing receivable, year four	126	121
Financing receivable, year five	85	46
Financing receivable, prior to year five	1,942	1,655
Revolving	401,758	371,845
Revolving-term	4,517	5,651
Total LHFI	412,535	384,301
Consumer loans | Home equity and other | Current
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	1,606	2,165
Financing receivable, year two	936	2,493
Financing receivable, year three	1,528	311
Financing receivable, year four	126	121
Financing receivable, year five	85	46
Financing receivable, prior to year five	1,932	1,631
Revolving	399,531	370,462
Revolving-term	4,449	5,483
Total LHFI	410,193	382,712
Consumer loans | Home equity and other | 30-59 days
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	25	8
Financing receivable, year two	4	2
Financing receivable, year three	1	0
Financing receivable, year four	0	0
Financing receivable, year five	0	0
Financing receivable, prior to year five	0	0
Revolving	474	802
Revolving-term	62	162
Total LHFI	566	974
Consumer loans | Home equity and other | 60-89 days
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, year one	0	1
Financing receivable, year two	3	3
Financing receivable, year three	4	0
Financing receivable, year four	0	0
Financing receivable, year five	0	0
Financing receivable, prior to year five	0	0
Revolving	626	419
Revolving-term	0	0
Total LHFI	633	423
Consumer loans | Home equity and other | 90+ days
Financing Receivable, Credit Quality Indicator [Line Items]
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	10	24
Revolving	1,127	162
Revolving-term	6	6
Total LHFI	$ 1,143	$ 192

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- Definition

Financing Receivable, Excluding Accrued Interest, Revolving, Net

+ References

No definition available.

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- Definition

Financing Receivable, Excluding Accrued Interest, Revolving, Term

+ References

No definition available.

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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- Definition

Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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