LOANS AND CREDIT QUALITY - Loans on Nonaccrual with No Related Allowance (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	$ 30,768	$ 35,254
Total Nonaccrual	36,374	38,976
CRE
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	21,966	20,624
Total Nonaccrual	21,966	20,624
CRE \| Non-owner occupied CRE
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	16,230	16,803
Total Nonaccrual		16,803
CRE \| CRE construction
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	3,821	3,821
Total Nonaccrual		3,821
CRE \| Multifamily
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	1,915	0
Total Nonaccrual		0
Commercial and industrial loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	8,802	13,857
Total Nonaccrual	11,509	14,392
Commercial and industrial loans \| Owner occupied CRE
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	666	706
Total Nonaccrual		706
Commercial and industrial loans \| Commercial business
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	8,136	13,151
Total Nonaccrual		13,686
Consumer loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	0	773
Total Nonaccrual	2,899	3,960
Consumer loans \| Single family
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	0	773
Total Nonaccrual	1,324	2,650
Consumer loans \| Home equity and other
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with no related ACL	0	0
Total Nonaccrual	1,575	1,310
Commercial loans, adjusted for credit analysis \| Non-owner occupied CRE
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual	16,230	16,803
Commercial loans, adjusted for credit analysis \| CRE construction
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual	3,821	3,821
Commercial loans, adjusted for credit analysis \| Owner occupied CRE
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual	666	706
Commercial loans, adjusted for credit analysis \| Commercial business
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual	10,843	13,686
Commercial loans, adjusted for credit analysis \| Multifamily
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual	1,915	0
Commercial loans, adjusted for credit analysis \| Multifamily construction
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual	$ 0	$ 0

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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