Goodwill and Intangible Assets - Schedule of Acquired Intangible Assets, Other than Goodwill (Detail) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Net Carrying Amount | $ 12,336 | |
| Core deposit intangibles [Member] | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 19,643 | $ 19,643 |
| Accumulated Amortization | 9,922 | 9,226 |
| Net Carrying Amount | 9,721 | 10,417 |
| Core deposit intangibles [Member] | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 19,643 | 19,643 |
| Accumulated Amortization | 9,922 | 9,226 |
| Net Carrying Amount | $ 9,721 | $ 10,417 |
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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://www.xbrl.org/2003/role/disclosureRef
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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