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LOANS AND CREDIT QUALITY - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | $ 5,542,849 | $ 5,244,180
Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 4,476,440 | 3,924,304
Commercial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 859,578 | 1,112,979
Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 457,706 | 467,256
Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 401,872 | 645,723
Consumer loans-single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,066,409 | 1,319,876
Consumer loans-single family | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 763,331 | 915,123
Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
Land | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,473 | 3,576
Land | Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,473 | 3,576
Land | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,111 | 1,789
Land | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 362 | 1,787
Land | Consumer loans-single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Land | Consumer loans-single family | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,617 | 2,457
1-4 Family | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,644 | 3,002
1-4 Family | Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 27 | 545
1-4 Family | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
1-4 Family | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 27 | 545
1-4 Family | Consumer loans-single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 19 |
1-4 Family | Consumer loans-single family | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,598 | 2,457
Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
Multifamily | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 3,018 | 3,133
Multifamily | Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 3,018 | 3,133
Multifamily | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 2,456 | 3,133
Multifamily | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 562 | 0
Multifamily | Consumer loans-single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Multifamily | Consumer loans-single family | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
Non-residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
Non-residential real estate | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 286 | 2,882
Non-residential real estate | Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 286 | 2,882
Non-residential real estate | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
Non-residential real estate | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 286 | 2,882
Non-residential real estate | Consumer loans-single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Non-residential real estate | Consumer loans-single family | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 0
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,617 | 2,457
Total | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 6,421 | 12,593
Total | Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 4,804 | 10,136
Total | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 3,567 | 4,922
Total | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,237 | 5,214
Total | Consumer loans-single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 19 |
Total | Consumer loans-single family | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | $ 1,598 | $ 2,457

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