Goodwill and Intangible Assets - Schedule of Acquired Intangible Assets, Other than Goodwill (Detail) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Net Carrying Amount | $ 11,579 | |
| Core deposit intangibles [Member] | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 19,643 | $ 19,643 |
| Accumulated Amortization | 10,618 | 9,226 |
| Net Carrying Amount | 9,025 | 10,417 |
| Core deposit intangibles [Member] | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 19,643 | 19,643 |
| Accumulated Amortization | 10,618 | 9,226 |
| Net Carrying Amount | $ 9,025 | $ 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 Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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