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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
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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Financing Receivable, Nonaccrual, With Allowance

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. 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 (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
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-Publisher FASB
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