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LOANS AND LEASES RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES ON LOANS AND LEASES - Summary of Amortized Cost of Loans and Leases on Nonaccrual Status (Detail) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | $ 18,901 | $ 15,919
Nonaccrual loans with related allowance | 26,103 | 10,730
Total nonaccrual loans | 45,004 | 26,649
Commercial and industrial, including specialized lending |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | 1,462 | 3,365
Nonaccrual loans with related allowance | 4,026 | 1,071
Total nonaccrual loans | 5,488 | 4,436
Multifamily |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | 0 | 0
Nonaccrual loans with related allowance | 14,002 | 0
Total nonaccrual loans | 14,002 | 0
Commercial real estate owner occupied |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | 9,612 | 5,869
Nonaccrual loans with related allowance | 0 | 0
Total nonaccrual loans | 9,612 | 5,869
Commercial real estate non-owner occupied |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | 62 | 0
Nonaccrual loans with related allowance | 0 | 0
Total nonaccrual loans | 62 | 0
Residential real estate |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | 7,765 | 6,685
Nonaccrual loans with related allowance | 414 | 117
Total nonaccrual loans | 8,179 | 6,802
Manufactured housing |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | 0 | 0
Nonaccrual loans with related allowance | 2,047 | 2,331
Total nonaccrual loans | 2,047 | 2,331
Installment |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual loans with no related allowance | 0 | 0
Nonaccrual loans with related allowance | 5,614 | 7,211
Total nonaccrual loans | $ 5,614 | $ 7,211

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