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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 (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Impaired [Line Items]
Nonaccrual loans with no related allowance	$ 15,919	$ 12,564
Nonaccrual loans with related allowance	10,730	11,967
Total nonaccrual loans	26,649	24,531
Commercial and industrial, including specialty lending
Financing Receivable, Impaired [Line Items]
Nonaccrual loans with no related allowance	3,365	1,731
Nonaccrual loans with related allowance	1,071	30
Total nonaccrual loans	4,436	1,761
Multifamily
Financing Receivable, Impaired [Line Items]
Nonaccrual loans with no related allowance	0	1,143
Nonaccrual loans with related allowance	0	0
Total nonaccrual loans	0	1,143
Commercial real estate owner occupied
Financing Receivable, Impaired [Line Items]
Nonaccrual loans with no related allowance	5,869	2,768
Nonaccrual loans with related allowance	0	0
Total nonaccrual loans	5,869	2,768
Residential real estate
Financing Receivable, Impaired [Line Items]
Nonaccrual loans with no related allowance	6,685	6,922
Nonaccrual loans with related allowance	117	0
Total nonaccrual loans	6,802	6,922
Manufactured housing
Financing Receivable, Impaired [Line Items]
Nonaccrual loans with no related allowance	0	0
Nonaccrual loans with related allowance	2,331	2,410
Total nonaccrual loans	2,331	2,410
Installment
Financing Receivable, Impaired [Line Items]
Nonaccrual loans with no related allowance	0	0
Nonaccrual loans with related allowance	7,211	9,527
Total nonaccrual loans	$ 7,211	$ 9,527

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- Definition

Amortized cost 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
-Subparagraph (d)
-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
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-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
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-Name Accounting Standards Codification
-Topic 310
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-Publisher FASB
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