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Loans - Impaired Loans Classified as Troubled Debt Restructured (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 USD ($) Contract Loan | Sep. 30, 2021 USD ($) Contract Loan | Sep. 30, 2022 USD ($) Contract | Sep. 30, 2021 USD ($) Loan Contract
Financing Receivable Modifications [Line Items] |  |  |  |
Number of contracts modified | Loan | 3 | 1 |  | 2
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 |  |
Commercial Real Estate [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of contracts modified | Contract | 1 |  | 1 | 1
Pre-Modification Outstanding Recorded Investment | $ 74 |  | $ 74 | $ 382
Post-Modification Outstanding Recorded Investment | $ 74 |  | $ 74 | $ 382
Commercial and Industrial [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of contracts modified | Contract | 2 | 1 | 2 | 1
Pre-Modification Outstanding Recorded Investment | $ 1,232 | $ 1,000 | $ 1,232 | $ 1,000
Post-Modification Outstanding Recorded Investment | $ 1,232 | $ 1,000 | $ 1,232 | $ 1,000

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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + 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 + Details
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