Loans and Leases - Troubled Debt Restructured Loans (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($) loan	Dec. 31, 2021 USD ($) loan
Accrual Troubled Debt Restructuring Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	0	0
Pre-restructuring outstanding recorded investment	$ 0	$ 0
Post-restructuring outstanding recorded investment	$ 0	$ 0
Nonaccrual Troubled Debt Restructured Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	1	3
Pre-restructuring outstanding recorded investment	$ 87	$ 200
Post-restructuring outstanding recorded investment	$ 87	$ 198
Real Estate-Commercial [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	0	3
Pre-restructuring outstanding recorded investment	$ 0	$ 200
Post-restructuring outstanding recorded investment	$ 0	$ 198
Real Estate-Residential Secured for Business Purpose [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	1	0
Pre-restructuring outstanding recorded investment	$ 87	$ 0
Post-restructuring outstanding recorded investment	$ 87	$ 0

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No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

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