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LOANS AND CREDIT QUALITY - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 USD ($) portfolioSegment | Dec. 31, 2021 USD ($)
Financing Receivable, Impaired [Line Items] |  |
Number of portfolio segments | portfolioSegment | 2 |
Allowance for unfunded commitments | $ 2,600 | $ 2,400
Accrued interest receivable | 18,100 | 17,800
Total past due and nonaccrual | $ 24,415 | $ 21,020
California | Multifamily |  |
Financing Receivable, Impaired [Line Items] |  |
Percentage of loan portfolio | 34.00% | 33.00%
Federal Home Loan Bank Advances |  |
Financing Receivable, Impaired [Line Items] |  |
Loans pledged as collateral | $ 3,200,000 | $ 2,800,000
Federal Reserve Bank Advances |  |
Financing Receivable, Impaired [Line Items] |  |
Loans pledged as collateral | $ 421,000 | $ 419,000

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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5086-111524 + Details
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