Allowance For Unfunded Commitments

No definition available.

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- Definition

Number Of Portfolio Segments

+ References

No definition available.

+ Details

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- Definition

Percentage of total loan portfolio.

+ References

No definition available.

+ Details

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- Definition

Amount, after allowance for credit loss, of accrued interest on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-5

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

+ Details

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Period Type:	instant

- Definition

Amortized cost excluding accrued interest, after 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

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 44
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-44

+ Details

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Balance Type:	debit
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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LOANS AND CREDIT QUALITY - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) portfolioSegment	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Financing Receivable, Impaired [Line Items]
Number of portfolio segments \| portfolioSegment	2
Loans held for investment ("LHFI")	$ 7,405,052		$ 7,382,404
Allowance for unfunded commitments	1,600		1,800
Accrued interest receivable	29,200		$ 28,900
Consumer loans \| Significant Payment Delay
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	241
Consumer loans \| Term Extension
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	4,420
Consumer loans \| Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	0
Consumer loans \| Significant Payment Delay and Term Extension
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	20,415
Consumer loans \| Interest Rate Reduction, Significant Payment Delay and Term Extension
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	0
Single family \| Consumer loans \| Significant Payment Delay
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	241	$ 0
Single family \| Consumer loans \| Term Extension
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	0	0
Single family \| Consumer loans \| Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	0	0
Single family \| Consumer loans \| Significant Payment Delay and Term Extension
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	351	2,030
Single family \| Consumer loans \| Interest Rate Reduction, Significant Payment Delay and Term Extension
Financing Receivable, Impaired [Line Items]
Loan modifications with subsequent default	$ 0	$ 623
California \| Multifamily
Financing Receivable, Impaired [Line Items]
Percentage of loan portfolio	36.00%		36.00%
Washington \| Multifamily
Financing Receivable, Impaired [Line Items]
Percentage of loan portfolio	11.00%		11.00%
Federal Home Loan Bank Advances \| Asset Pledged as Collateral without Right
Financing Receivable, Impaired [Line Items]
Loans held for investment ("LHFI")	$ 5,100,000		$ 5,100,000
Federal Reserve Bank Advances \| Asset Pledged as Collateral without Right
Financing Receivable, Impaired [Line Items]
Loans held for investment ("LHFI")	$ 1,400,000		$ 1,200,000