| Loans Receivable - Schedule of Loan Modifications (Detail) - Commercial and Industrial $ in Thousands | 12 Months Ended | 
|---|---|
| Dec. 31, 2024  USD ($) | |
| Financing Receivable, Modified [Line Items] | |
| Amortized Cost Basis | $ 24,474 | 
| % of Total Class of Loans | 2.80% | 
| Interest Only/Principal Deferment | |
| Financing Receivable, Modified [Line Items] | |
| Amortized Cost Basis | $ 19,748 | 
| % of Total Class of Loans | 2.30% | 
| Term Loan One | |
| Financing Receivable, Modified [Line Items] | |
| Financial Effect | One loan with term extension of six years | 
| Term Loan One | Interest Only/Principal Deferment | |
| Financing Receivable, Modified [Line Items] | |
| Financial Effect | One loan with interest only for six months | 
| Term Loan Two | |
| Financing Receivable, Modified [Line Items] | |
| Financial Effect | one loan with term extension of six months | 
| Term Loan Two | Interest Only/Principal Deferment | |
| Financing Receivable, Modified [Line Items] | |
| Financial Effect | one loan with interest only for 12 months | 
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- Definition Financial effect related to loan modifications. No definition available. 
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- Definition Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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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. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef 
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- Definition Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef 
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