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Loans and Allowance for Credit Losses - Summary of Investment of PCI Loans (Detail) - Real Estate [Member] $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($)
Greater than 90 Days Past Due & Accruing [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | $ 58,394
Greater than 90 Days Past Due & Accruing [Member] | Commercial and Industrial [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 1,481
Greater than 90 Days Past Due & Accruing [Member] | Construction, Commercial [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 7
Greater than 90 Days Past Due & Accruing [Member] | Mortgage, Commercial [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 51,223
Greater than 90 Days Past Due & Accruing [Member] | Mortgage, Residential [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 5,324
Greater than 90 Days Past Due & Accruing [Member] | Consumer [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 359
Current [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 354
Current [Member] | Mortgage, Residential [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 354
Total Loan [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 58,748
Total Loan [Member] | Commercial and Industrial [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 1,481
Total Loan [Member] | Construction, Commercial [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 7
Total Loan [Member] | Mortgage, Commercial [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 51,223
Total Loan [Member] | Mortgage, Residential [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | 5,678
Total Loan [Member] | Consumer [Member] |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Purchase loans | $ 359

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- Definition Amount of increase in financing receivable from purchase. 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 11 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-11 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
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