Delinquency status of loans and leases receivable modified past due ninety days or more.

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Delinquency status of loans and leases receivable modified past due thirty to eighty nine days.

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Loans and leases receivable.

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Loans and leases weighted-average remaining term

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Percentage of loans in the process of foreclosure, serviced by other entities, classified as government guaranteed.

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Residential mortgage loans secured by residential real estate in process of foreclosure.

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Amount, before allowance for credit loss, of accrued interest on financing receivable.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

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Loans and Leases and the Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Loans And Leases Receivable [Line Items]
Unamortized loan cost (fee) and purchase premium (discount)	$ (265,000)		$ 277,000
Financing receivable, accrued interest, before allowance for credit loss	603,000		628,000
Amount of foreclosed residential real estate property held	34,000		35,000
Loans secured by residential real estate that were in the process of foreclosure	$ 177,000		173,000
Percentage loans in the process of foreclosure, serviced by other entities, classified as government guaranteed	41.00%
Guaranteed by Government-Related Entities
Loans And Leases Receivable [Line Items]
Modified past due 30-89 days	$ 29,000	$ 30,000
Modified past due 90 days or more	$ 34,000	$ 27,000
Commercial Real Estate
Loans And Leases Receivable [Line Items]
Weighted-average remaining term	9 months 18 days
Commercial Real Estate \| Asset Pledged as Collateral without Right
Loans And Leases Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 14,400,000
Commercial Real Estate \| Asset Pledged as Collateral without Right \| FHLBs Facility
Loans And Leases Receivable [Line Items]
Pledged financial instruments			14,600,000
Residential Real Estate
Loans And Leases Receivable [Line Items]
Weighted-average remaining term	9 years	11 years 4 months 24 days
Residential Real Estate \| Asset Pledged as Collateral without Right
Loans And Leases Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 18,600,000
Residential Real Estate \| Asset Pledged as Collateral without Right \| FHLBs Facility
Loans And Leases Receivable [Line Items]
Pledged financial instruments			18,600,000
Commercial and industrial
Loans And Leases Receivable [Line Items]
Weighted-average remaining term	9 months 18 days	8 months 12 days
Commercial and industrial \| Asset Pledged as Collateral without Right
Loans And Leases Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 21,300,000
Commercial and industrial \| Asset Pledged as Collateral without Right \| FHLBs Facility
Loans And Leases Receivable [Line Items]
Pledged financial instruments			20,700,000
Commercial \| Commercial Real Estate
Loans And Leases Receivable [Line Items]
Mortgage loans held for sale	192,000		310,000
Residential builder and developer \| Commercial Real Estate
Loans And Leases Receivable [Line Items]
Mortgage loans held for sale	693,000
Residential \| Residential Real Estate
Loans And Leases Receivable [Line Items]
Mortgage loans held for sale	179,000		211,000
Home equity lines and loans \| Consumer: \| Asset Pledged as Collateral without Right
Loans And Leases Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	2,700,000
Home equity lines and loans \| Consumer: \| Asset Pledged as Collateral without Right \| FHLBs Facility
Loans And Leases Receivable [Line Items]
Pledged financial instruments			2,700,000
Other \| Consumer: \| Asset Pledged as Collateral without Right
Loans And Leases Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 12,700,000
Other \| Consumer: \| Asset Pledged as Collateral without Right \| FHLBs Facility
Loans And Leases Receivable [Line Items]
Pledged financial instruments			$ 13,100,000