Loans Receivable - Summary of Nonaccrual Loans by Segment of Loan Portfolio (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans without a related allowance	$ 1,965	$ 6,708
Total nonaccrual loans with a related allowance	150	0
Commercial real estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans without a related allowance	1,235	4,485
Total nonaccrual loans with a related allowance	110	0
Commercial and industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans without a related allowance	596	2,116
Total nonaccrual loans with a related allowance	40	0
Construction [Member]
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans without a related allowance	0	0
Total nonaccrual loans with a related allowance	0	0
Residential first-lien mortgage [Member]
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans without a related allowance	134	107
Total nonaccrual loans with a related allowance	$ 0	$ 0

Financing receivable nonaccrual with allowance for credit loss.

No definition available.

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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
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

+ Details

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